| | 2020-09-30 | 2021-12-31 | 2022-12-31 | 2023-12-31 | 2024-12-31 | 2025-03-31 |
| Beginning Cash Position | | 12419000000.0 | 9902000000.0 | 9196000000.0 | 10465000000.0 | 9187000000.0 |
| Capital Expenditure | | -814000000.0 | -1097000000.0 | -1088000000.0 | -1194000000.0 | -1173000000.0 |
| Capital Expenditure Reported | | -407000000.0 | -655000000.0 | -717000000.0 | -720000000.0 | -697000000.0 |
| Cash Dividends Paid | | -1741000000.0 | -1903000000.0 | -2158000000.0 | -2448000000.0 | -2526000000.0 |
| Cash Flow From Continuing Financing Activities | | -6555000000.0 | -10328000000.0 | -9488000000.0 | -10836000000.0 | -11142000000.0 |
| Cash Flow From Continuing Investing Activities | | -5272000000.0 | -1470000000.0 | -1351000000.0 | -3402000000.0 | -3568000000.0 |
| Cash Flow From Continuing Operating Activities | | 9463000000.0 | 11195000000.0 | 11980000000.0 | 14780000000.0 | 15488000000.0 |
| Change In Account Payable | | 100000000.0 | 190000000.0 | -99000000.0 | 75000000.0 | 176000000.0 |
| Change In Accrued Expense | | 1354000000.0 | 1428000000.0 | 196000000.0 | 1792000000.0 | 1700000000.0 |
| Change In Income Tax Payable | | -52000000.0 | -121000000.0 | -129000000.0 | -163000000.0 | |
| Change In Other Current Assets | | 390000000.0 | 48000000.0 | 40000000.0 | -593000000.0 | -472000000.0 |
| Change In Other Current Liabilities | | -568000000.0 | 201000000.0 | 282000000.0 | 922000000.0 | 616000000.0 |
| Change In Other Working Capital | | 431000000.0 | -6000000.0 | 922000000.0 | 131000000.0 | 393000000.0 |
| Change In Payable | | 48000000.0 | 69000000.0 | -228000000.0 | -88000000.0 | 13000000.0 |
| Change In Payables And Accrued Expense | | 1402000000.0 | 1497000000.0 | -32000000.0 | 1704000000.0 | 1713000000.0 |
| Change In Prepaid Assets | | -2087000000.0 | -2175000000.0 | -2438000000.0 | -3225000000.0 | -3193000000.0 |
| Change In Receivables | | -484000000.0 | -469000000.0 | -717000000.0 | 21000000.0 | 122000000.0 |
| Change In Tax Payable | | -52000000.0 | -121000000.0 | -129000000.0 | -163000000.0 | |
| Change In Working Capital | | -916000000.0 | -904000000.0 | -1943000000.0 | -1040000000.0 | -821000000.0 |
| Changes In Account Receivables | | -397000000.0 | -481000000.0 | -546000000.0 | 186000000.0 | 287000000.0 |
| Changes In Cash | | -2364000000.0 | -603000000.0 | 1141000000.0 | 542000000.0 | 778000000.0 |
| Common Stock Dividend Paid | | -1741000000.0 | -1903000000.0 | -2158000000.0 | -2448000000.0 | |
| Common Stock Payments | | -5904000000.0 | -8753000000.0 | -9032000000.0 | -11035000000.0 | -11592000000.0 |
| Deferred Income Tax | | -69000000.0 | -651000000.0 | -236000000.0 | -527000000.0 | -493000000.0 |
| Deferred Tax | | -69000000.0 | -651000000.0 | -236000000.0 | -527000000.0 | -493000000.0 |
| Depreciation Amortization Depletion | | 726000000.0 | 750000000.0 | 799000000.0 | 897000000.0 | 956000000.0 |
| Depreciation And Amortization | | 726000000.0 | 750000000.0 | 799000000.0 | 897000000.0 | 956000000.0 |
| Effect Of Exchange Rate Changes | | -153000000.0 | -103000000.0 | 128000000.0 | -199000000.0 | 17000000.0 |
| End Cash Position | | 9902000000.0 | 9196000000.0 | 10465000000.0 | 10808000000.0 | 9965000000.0 |
| Financing Cash Flow | | -6555000000.0 | -10328000000.0 | -9488000000.0 | -10836000000.0 | -11142000000.0 |
| Free Cash Flow | | 8649000000.0 | 10098000000.0 | 10892000000.0 | 13586000000.0 | 14315000000.0 |
| Gain Loss On Investment Securities | | -645000000.0 | 145000000.0 | 61000000.0 | 29000000.0 | 64000000.0 |
| Income Tax Paid Supplemental Data | | | 2506000000.0 | 2746000000.0 | 3252000000.0 | |
| Interest Paid Supplemental Data | | | 414000000.0 | 477000000.0 | 571000000.0 | |
| Investing Cash Flow | | -5272000000.0 | -1470000000.0 | -1351000000.0 | -3402000000.0 | -3568000000.0 |
| Issuance Of Debt | | 2024000000.0 | 1123000000.0 | 1554000000.0 | 3960000000.0 | 5202000000.0 |
| Long Term Debt Issuance | | 2024000000.0 | 1123000000.0 | 1554000000.0 | 3960000000.0 | 5202000000.0 |
| Long Term Debt Payments | 0.0 | -650000000.0 | -724000000.0 | 0.0 | -1336000000.0 | -2086000000.0 |
| Net Business Purchase And Sale | | -4436000000.0 | -313000000.0 | 0.0 | -2511000000.0 | |
| Net Common Stock Issuance | | -5904000000.0 | -8753000000.0 | -9032000000.0 | -11035000000.0 | -11592000000.0 |
| Net Income From Continuing Operations | | 8687000000.0 | 9930000000.0 | 11195000000.0 | 12874000000.0 | 13143000000.0 |
| Net Investment Purchase And Sale | | -55000000.0 | -57000000.0 | -257000000.0 | 306000000.0 | 108000000.0 |
| Net Issuance Payments Of Debt | | 1374000000.0 | 399000000.0 | 1554000000.0 | 2624000000.0 | 3116000000.0 |
| Net Long Term Debt Issuance | | 1374000000.0 | 399000000.0 | 1554000000.0 | 2624000000.0 | 3116000000.0 |
| Net Other Financing Charges | | -345000000.0 | -161000000.0 | -89000000.0 | -201000000.0 | -308000000.0 |
| Net Other Investing Changes | | 33000000.0 | -3000000.0 | -6000000.0 | -3000000.0 | 8000000.0 |
| Net PPEPurchase And Sale | | -407000000.0 | -442000000.0 | -371000000.0 | -474000000.0 | -476000000.0 |
| Operating Cash Flow | | 9463000000.0 | 11195000000.0 | 11980000000.0 | 14780000000.0 | 15488000000.0 |
| Operating Gains Losses | | -645000000.0 | 145000000.0 | 61000000.0 | 29000000.0 | 64000000.0 |
| Other Non Cash Items | | 1407000000.0 | 1630000000.0 | 1644000000.0 | 2021000000.0 | 2092000000.0 |
| Proceeds From Stock Option Exercised | | 61000000.0 | 90000000.0 | 237000000.0 | 224000000.0 | 168000000.0 |
| Purchase Of Business | | -4436000000.0 | -313000000.0 | 0.0 | -2511000000.0 | |
| Purchase Of Investment | | -911000000.0 | -594000000.0 | -736000000.0 | -658000000.0 | -624000000.0 |
| Purchase Of PPE | | -407000000.0 | -442000000.0 | -371000000.0 | -474000000.0 | -476000000.0 |
| Repayment Of Debt | 0.0 | -650000000.0 | -724000000.0 | 0.0 | -1336000000.0 | -2086000000.0 |
| Repurchase Of Capital Stock | | -5904000000.0 | -8753000000.0 | -9032000000.0 | -11035000000.0 | -11592000000.0 |
| Sale Of Investment | | 856000000.0 | 537000000.0 | 479000000.0 | 964000000.0 | 732000000.0 |
| Stock Based Compensation | | 273000000.0 | 295000000.0 | 460000000.0 | 526000000.0 | 547000000.0 |
