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Other Comprehensive Income (Loss) (Schedule Of Components Of Comprehensive Income (Loss)) (Details) - USD ($) $ in Millions | 3 Months Ended
--- | ---
Mar. 31, 2020 | Mar. 31, 2019
Equity [Abstract] |  |
Foreign currency translation adjustments, Pre-Tax | $ (941) | $ 96
Foreign currency translation adjustments, Tax | (11) | 2
Foreign currency translation adjustments, Net of Tax | (930) | 94
Pension/post-retirement plans: |  |
Prior services credits, Pre-Tax | 0 | (1)
Prior service credits, Tax | 0 | 0
Prior service credits, Net of Tax | 0 | (1)
Net actuarial loss, Pre-Tax | 40 | 26
Net actuarial loss, Tax | 11 | 6
Net actuarial loss, Net of Tax | 29 | 20
Effect of settlement, Pre-tax | 0 | 4
Effect of settlement, Tax | 0 | 1
Effect of settlement, Net of Tax | 0 | 3
Subtotal, Pre-Tax | 40 | 29
Subtotal, Tax | 11 | 7
Subtotal, Net of Tax | 29 | 22
Foreign currency translation adjustment, Pre-Tax | 135 | (72)
Foreign currency translation adjustment, Tax | 26 | (13)
Foreign currency translation adjustment, Net of Tax | 109 | (59)
Pension/post-retirement plans (losses) gains, Pre-Tax | 175 | (43)
Pension/post-retirement plans (losses) gains, Tax | 37 | (6)
Pension/post-retirement plans (losses) gains, Net of Tax | 138 | (37)
Other comprehensive (loss) income, before tax | (766) | 53
Other comprehensive (loss) income, Tax | 26 | (4)
Other comprehensive (loss) income, net of tax | $ (792) | $ 57

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