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Income Taxes (Deferred Income Tax Assets And Liabilities) (Details) - USD ($) $ in Millions | Dec. 31, 2018 | Dec. 31, 2017
--- | --- | ---
Deferred tax assets: |  |  |
Accrued expenses not currently deductible |  | $ 526 | $ 369
Differences related to non-U.S. operations | [1] | 170 | 139
Accrued retirement & postretirement benefits |  | 406 | 394
Net operating losses | [2] | 48 | 67
Income currently recognized for tax |  | 20 | 49
Other |  | 16 | 31
Total, deferred tax assets |  | 1,186 | 1,049
Deferred tax liabilities: |  |  |
Differences related to non-U.S. operations |  | 287 | 235
Depreciation and amortization |  | 342 | 338
Accrued retirement & postretirement benefits - non-U.S. operations |  | 171 | 172
Capitalized expenses currently recognized for tax |  | 78 | 0
Other |  | 49 | 16
Total, deferred tax liabilities |  | 927 | 761
Valuation allowance, amount |  | 21 | 18
Balance sheet classifications: |  |  |
Deferred tax assets |  | 680 | 669
Deferred Tax Assets Related To Net Operating Loss |  |  |
Deferred tax liabilities: |  |  |
Valuation allowance, amount |  | 45 | 11
Other Noncurrent Assets |  |  |
Balance sheet classifications: |  |  |
Deferred tax assets |  | 680 | 669
Other Noncurrent Liabilities |  |  |
Balance sheet classifications: |  |  |
Other liabilities |  | $ 421 | $ 381
[1] | Net of valuation allowances of $21 million in 2018 and $18 million in 2017.
[2] | Net of valuation allowances of $45 million in 2018 and $11 million in 2017.

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