| | 2019-10-31 | 2022-01-31 | 2023-01-31 | 2024-01-31 | 2025-01-31 | 2026-01-31 |
| Asset Impairment Charge | | | 2118000000.0 | 83000000.0 | 5000000.0 | 53000000.0 |
| Beginning Cash Position | | | 1133000000.0 | 1348000000.0 | 921000000.0 | 1761000000.0 |
| Capital Expenditure | | | -1829000000.0 | -1964000000.0 | -1927000000.0 | -2213000000.0 |
| Capital Expenditure Reported | | | -1829000000.0 | -1964000000.0 | -1927000000.0 | -2213000000.0 |
| Cash Dividends Paid | | | -2370000000.0 | -2531000000.0 | -2566000000.0 | -2636000000.0 |
| Cash Flow From Continuing Financing Activities | | | -7049000000.0 | -6666000000.0 | -7047000000.0 | 1621000000.0 |
| Cash Flow From Continuing Investing Activities | | | -1309000000.0 | -1901000000.0 | -1738000000.0 | -12264000000.0 |
| Cash Flow From Continuing Operating Activities | | | 8589000000.0 | 8140000000.0 | 9625000000.0 | 9864000000.0 |
| Change In Account Payable | | | -549000000.0 | -1820000000.0 | 633000000.0 | 73000000.0 |
| Change In Inventory | | | -2594000000.0 | 1637000000.0 | -514000000.0 | 703000000.0 |
| Change In Other Current Assets | | | 56000000.0 | 182000000.0 | 93000000.0 | -243000000.0 |
| Change In Other Current Liabilities | | | 205000000.0 | -2227000000.0 | -94000000.0 | -645000000.0 |
| Change In Other Working Capital | | 413000000.0 | -183000000.0 | -170000000.0 | | |
| Change In Payable | | | -549000000.0 | -1820000000.0 | 633000000.0 | 73000000.0 |
| Change In Payables And Accrued Expense | | | -549000000.0 | -1820000000.0 | 633000000.0 | 73000000.0 |
| Change In Working Capital | | | -2882000000.0 | -2228000000.0 | 118000000.0 | -112000000.0 |
| Changes In Cash | | | 231000000.0 | -427000000.0 | 840000000.0 | -779000000.0 |
| Common Stock Dividend Paid | | | -2370000000.0 | -2531000000.0 | -2566000000.0 | -2636000000.0 |
| Common Stock Payments | | | -14124000000.0 | -6138000000.0 | -4053000000.0 | -211000000.0 |
| Deferred Income Tax | | | -239000000.0 | 6000000.0 | 9000000.0 | 256000000.0 |
| Deferred Tax | | | -239000000.0 | 6000000.0 | 9000000.0 | 256000000.0 |
| Depreciation Amortization Depletion | | | 1981000000.0 | 1923000000.0 | 1972000000.0 | 2194000000.0 |
| Depreciation And Amortization | | | 1981000000.0 | 1923000000.0 | 1972000000.0 | 2194000000.0 |
| Earnings Losses From Equity Investments | 15000000.0 | | | | | |
| Effect Of Exchange Rate Changes | | -8000000.0 | -16000000.0 | 0.0 | 0.0 | |
| End Cash Position | | | 1348000000.0 | 921000000.0 | 1761000000.0 | 982000000.0 |
| Financing Cash Flow | | | -7049000000.0 | -6666000000.0 | -7047000000.0 | 1621000000.0 |
| Free Cash Flow | | | 6760000000.0 | 6176000000.0 | 7698000000.0 | 7651000000.0 |
| Gain Loss On Sale Of Business | | | 421000000.0 | -79000000.0 | -177000000.0 | 0.0 |
| Gain Loss On Sale Of PPE | | 34000000.0 | | | | 53000000.0 |
| Income Tax Paid Supplemental Data | | | 1720000000.0 | 3700000000.0 | 1648000000.0 | 2505000000.0 |
| Interest Paid Supplemental Data | | | 976000000.0 | 1464000000.0 | 1475000000.0 | 1489000000.0 |
| Investing Cash Flow | | | -1309000000.0 | -1901000000.0 | -1738000000.0 | -12264000000.0 |
| Issuance Of Debt | | | 9667000000.0 | 2983000000.0 | 0.0 | 6974000000.0 |
| Long Term Debt Issuance | | | 9667000000.0 | 2983000000.0 | 0.0 | 6974000000.0 |
| Long Term Debt Payments | | | -867000000.0 | -601000000.0 | -545000000.0 | -2587000000.0 |
| Net Business Purchase And Sale | | | 491000000.0 | 100000000.0 | 177000000.0 | -10088000000.0 |
| Net Common Stock Issuance | | | -14124000000.0 | -6138000000.0 | -4053000000.0 | -211000000.0 |
| Net Income From Continuing Operations | | | 6437000000.0 | 7726000000.0 | 6957000000.0 | 6654000000.0 |
| Net Investment Purchase And Sale | | | -15000000.0 | -63000000.0 | -82000000.0 | -35000000.0 |
| Net Issuance Payments Of Debt | | | 9299000000.0 | 1883000000.0 | -545000000.0 | 4387000000.0 |
| Net Long Term Debt Issuance | | | 8800000000.0 | 2382000000.0 | -545000000.0 | 4387000000.0 |
| Net Other Financing Charges | | | -5000000.0 | -21000000.0 | -42000000.0 | -68000000.0 |
| Net Other Investing Changes | | | -1000000.0 | -27000000.0 | -11000000.0 | -10000000.0 |
| Net PPEPurchase And Sale | | | 45000000.0 | 53000000.0 | 105000000.0 | 82000000.0 |
| Net Short Term Debt Issuance | | | 499000000.0 | -499000000.0 | 0.0 | 0.0 |
| Operating Cash Flow | | | 8589000000.0 | 8140000000.0 | 9625000000.0 | 9864000000.0 |
| Operating Gains Losses | | 34000000.0 | 421000000.0 | -79000000.0 | -177000000.0 | 53000000.0 |
| Other Cash Adjustment Outside Changein Cash | | 0.0 | | | | |
| Other Non Cash Items | | | 530000000.0 | 499000000.0 | 520000000.0 | 572000000.0 |
| Proceeds From Stock Option Exercised | | | 151000000.0 | 141000000.0 | 159000000.0 | 149000000.0 |
| Purchase Of Business | | | | 0.0 | 0.0 | -10088000000.0 |
| Purchase Of Investment | | | -1189000000.0 | -1785000000.0 | -1286000000.0 | -1693000000.0 |
| Repayment Of Debt | | | -867000000.0 | -601000000.0 | -545000000.0 | -2587000000.0 |
| Repurchase Of Capital Stock | | | -14124000000.0 | -6138000000.0 | -4053000000.0 | -211000000.0 |
| Sale Of Business | | | 491000000.0 | 100000000.0 | 177000000.0 | 0.0 |
| Sale Of Investment | | | 1174000000.0 | 1722000000.0 | 1204000000.0 | 1658000000.0 |
| Sale Of PPE | | | 45000000.0 | 53000000.0 | 105000000.0 | 82000000.0 |
| Stock Based Compensation | | | 223000000.0 | 210000000.0 | 221000000.0 | 247000000.0 |