| | 2021-07-31 | 2022-07-31 | 2023-07-31 | 2024-07-31 | 2025-07-31 |
| Amortization Cash Flow | | 41000000.0 | 48000000.0 | 73000000.0 | 68000000.0 |
| Amortization Of Intangibles | | 41000000.0 | 48000000.0 | 73000000.0 | 68000000.0 |
| Asset Impairment Charge | | 0.0 | 0.0 | 129000000.0 | 176000000.0 |
| Beginning Cash Position | | 69000000.0 | 109000000.0 | 189000000.0 | 108000000.0 |
| Capital Expenditure | | -242000000.0 | -370000000.0 | -517000000.0 | -426000000.0 |
| Cash Dividends Paid | | -451000000.0 | -447000000.0 | -445000000.0 | -459000000.0 |
| Cash Flow From Continuing Financing Activities | | -910000000.0 | -723000000.0 | 1863000000.0 | -919000000.0 |
| Cash Flow From Continuing Investing Activities | | -230000000.0 | -340000000.0 | -3128000000.0 | -187000000.0 |
| Cash Flow From Continuing Operating Activities | | 1181000000.0 | 1143000000.0 | 1185000000.0 | 1131000000.0 |
| Change In Inventory | | -314000000.0 | -64000000.0 | 11000000.0 | -80000000.0 |
| Change In Other Current Assets | | 25000000.0 | 13000000.0 | 4000000.0 | -14000000.0 |
| Change In Payables And Accrued Expense | | 200000000.0 | -164000000.0 | -128000000.0 | -167000000.0 |
| Change In Prepaid Assets | -28000000.0 | | | | |
| Change In Receivables | | 48000000.0 | -1000000.0 | -16000000.0 | 26000000.0 |
| Change In Working Capital | | -41000000.0 | -216000000.0 | -129000000.0 | -235000000.0 |
| Changes In Account Receivables | | 48000000.0 | -1000000.0 | -16000000.0 | 26000000.0 |
| Changes In Cash | | 41000000.0 | 80000000.0 | -80000000.0 | 25000000.0 |
| Common Stock Dividend Paid | -439000000.0 | -451000000.0 | | | -459000000.0 |
| Common Stock Issuance | | 3000000.0 | 22000000.0 | 2000000.0 | 0.0 |
| Common Stock Payments | | -167000000.0 | -142000000.0 | -67000000.0 | -62000000.0 |
| Deferred Income Tax | | 21000000.0 | -5000000.0 | -47000000.0 | -54000000.0 |
| Deferred Tax | | 21000000.0 | -5000000.0 | -47000000.0 | -54000000.0 |
| Depreciation | | 296000000.0 | 339000000.0 | 338000000.0 | 366000000.0 |
| Depreciation Amortization Depletion | | 337000000.0 | 387000000.0 | 411000000.0 | 434000000.0 |
| Depreciation And Amortization | | 337000000.0 | 387000000.0 | 411000000.0 | 434000000.0 |
| Effect Of Exchange Rate Changes | | -1000000.0 | 0.0 | -1000000.0 | -1000000.0 |
| End Cash Position | | 109000000.0 | 189000000.0 | 108000000.0 | 132000000.0 |
| Financing Cash Flow | | -910000000.0 | -723000000.0 | 1863000000.0 | -919000000.0 |
| Free Cash Flow | | 939000000.0 | 773000000.0 | 668000000.0 | 705000000.0 |
| Gain Loss On Sale Of Business | | 0.0 | 13000000.0 | 0.0 | 25000000.0 |
| Income Tax Paid Supplemental Data | | | 268000000.0 | 252000000.0 | 268000000.0 |
| Interest Paid Supplemental Data | | | 193000000.0 | 194000000.0 | 330000000.0 |
| Investing Cash Flow | | -230000000.0 | -340000000.0 | -3128000000.0 | -187000000.0 |
| Issuance Of Capital Stock | | 3000000.0 | 22000000.0 | 2000000.0 | 0.0 |
| Issuance Of Debt | | 1173000000.0 | 4177000000.0 | 8118000000.0 | 2990000000.0 |
| Long Term Debt Issuance | | 0.0 | 500000000.0 | 2496000000.0 | 1144000000.0 |
| Long Term Debt Payments | | 0.0 | -566000000.0 | -100000000.0 | -1550000000.0 |
| Net Business Purchase And Sale | | 1000000.0 | 29000000.0 | -2612000000.0 | 235000000.0 |
| Net Common Stock Issuance | | -164000000.0 | -120000000.0 | -65000000.0 | -62000000.0 |
| Net Income From Continuing Operations | | 757000000.0 | 858000000.0 | 567000000.0 | 602000000.0 |
| Net Investment Purchase And Sale | 0.0 | 0.0 | | | |
| Net Issuance Payments Of Debt | | 176000000.0 | -138000000.0 | 2442000000.0 | -356000000.0 |
| Net Long Term Debt Issuance | | 0.0 | -66000000.0 | 2396000000.0 | -406000000.0 |
| Net Other Financing Charges | | -471000000.0 | -18000000.0 | -69000000.0 | -42000000.0 |
| Net Other Investing Changes | | 11000000.0 | 1000000.0 | 1000000.0 | 4000000.0 |
| Net PPEPurchase And Sale | | -242000000.0 | -370000000.0 | -517000000.0 | -426000000.0 |
| Net Short Term Debt Issuance | | 176000000.0 | -72000000.0 | 46000000.0 | 50000000.0 |
| Operating Cash Flow | | 1181000000.0 | 1143000000.0 | 1185000000.0 | 1131000000.0 |
| Operating Gains Losses | | -3000000.0 | -9000000.0 | 39000000.0 | 49000000.0 |
| Other Cash Adjustment Outside Changein Cash | 0.0 | 0.0 | 0.0 | | |
| Other Non Cash Items | | 51000000.0 | 65000000.0 | 116000000.0 | 102000000.0 |
| Pension And Employee Benefit Expense | | -7000000.0 | -22000000.0 | 39000000.0 | 24000000.0 |
| Purchase Of Business | | -1000000.0 | -13000000.0 | -2646000000.0 | -144000000.0 |
| Purchase Of PPE | | -242000000.0 | -370000000.0 | -517000000.0 | -426000000.0 |
| Repayment Of Debt | | -997000000.0 | -4315000000.0 | -5676000000.0 | -3346000000.0 |
| Repurchase Of Capital Stock | | -167000000.0 | -142000000.0 | -67000000.0 | -62000000.0 |
| Sale Of Business | | 2000000.0 | 42000000.0 | 34000000.0 | 379000000.0 |
| Sale Of Investment | 0.0 | 0.0 | | | |
| Short Term Debt Issuance | | 1173000000.0 | 3677000000.0 | 5622000000.0 | 1846000000.0 |
| Short Term Debt Payments | | -997000000.0 | -3749000000.0 | -5576000000.0 | -1796000000.0 |
| Stock Based Compensation | | 59000000.0 | 63000000.0 | 99000000.0 | 57000000.0 |