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Income Taxes (Deferred Income Tax Assets And Liabilities) (Details) - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Deferred tax assets: |  |
Accrued expenses not currently deductible | $ 647 | $ 547
Differences related to non-U.S. operations | 293 | 294
Accrued U.S. retirement benefits | 293 | 494
Net operating losses | 183 | 60
Income currently recognized for tax | 29 | 25
Other | 32 | 43
Deferred tax assets | 1,477 | 1,463
Deferred tax liabilities: |  |
Differences related to non-U.S. operations | 624 | 569
Depreciation and amortization | 506 | 491
Accrued retirement & postretirement benefits - non-U.S. operations | 403 | 143
Capitalized expenses currently recognized for tax | 98 | 87
Other | 32 | 32
Deferred tax liabilities | 1,663 | 1,322
Balance sheet classifications: |  |
Deferred tax assets | 551 | 702
Deferred Tax Assets Related to Differences Related to Non-U.S. Operations |  |
Deferred tax liabilities: |  |
Valuation allowance | 144 | 123
Deferred Tax Assets Related To Net Operating Loss |  |
Deferred tax liabilities: |  |
Valuation allowance | 88 | 75
Deferred Tax Assets Related To Accrued Expenses Not Currently Deductible |  |
Deferred tax liabilities: |  |
Valuation allowance | 2 | 0
Other Noncurrent Assets |  |
Balance sheet classifications: |  |
Deferred tax assets | 551 | 702
Other Noncurrent Liabilities |  |
Balance sheet classifications: |  |
Other liabilities | $ 737 | $ 561

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