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Other Comprehensive (Loss) Income (Schedule Of Components Of Comprehensive (Loss) Income) (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Other comprehensive income (loss), before tax | $ (366) | $ (614) | $ (144) | $ (1,325)
Other comprehensive income (loss), tax | 39 | 71 | 2 | 148
Other comprehensive loss, net of tax | (405) | (685) | (146) | (1,473)
Foreign currency translation adjustments |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Other comprehensive income (loss), before reclassification, before tax | (473) | (895) | (131) | (1,928)
Other comprehensive income (loss), before reclassification, tax | 12 | 0 | 5 | 0
Other comprehensive income (loss), before reclassification, net of tax | (485) | (895) | (136) | (1,928)
Reclassification from AOCI, net of tax | 0 | 0 | 0 | 0
Other comprehensive loss, net of tax | (485) | (895) | (136) | (1,928)
Prior service credits |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Reclassification from AOCI, before Tax |  |  | (1) | (1)
Reclassification from AOCI, tax |  |  | 0 | 0
Reclassification from AOCI, net of tax |  |  | (1) | (1)
Net actuarial losses |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Reclassification from AOCI, before Tax | 5 | 37 | 15 | 114
Reclassification from AOCI, tax | 1 | 9 | 4 | 29
Reclassification from AOCI, net of tax | 4 | 28 | 11 | 85
Pension/post-retirement plans gains |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Other comprehensive income (loss), before reclassification, net of tax | 76 | 182 | (20) | 371
Reclassification from AOCI, before Tax | 5 | 37 | 14 | 113
Reclassification from AOCI, tax | 1 | 9 | 4 | 29
Reclassification from AOCI, net of tax | 4 | 28 | 10 | 84
Other comprehensive income (loss), before tax | 107 | 281 | (13) | 603
Other comprehensive income (loss), tax | 27 | 71 | (3) | 148
Other comprehensive loss, net of tax | 80 | 210 | (10) | 455
Foreign currency translation adjustments |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Other comprehensive income (loss), before reclassification, before tax | 102 | 247 | (20) | 499
Other comprehensive income (loss), before reclassification, tax | 26 | 63 | (5) | 123
Other comprehensive income (loss), before reclassification, net of tax | 76 | 184 | (15) | 376
Effect of remeasurement |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Other comprehensive income (loss), before reclassification, before tax | 0 | (2) | 0 | 8
Other comprehensive income (loss), before reclassification, tax | 0 | 0 | 0 | 1
Other comprehensive income (loss), before reclassification, net of tax | 0 | (2) | 0 | 7
Effect of settlement |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Other comprehensive income (loss), before reclassification, before tax |  |  | 0 | 2
Other comprehensive income (loss), before reclassification, tax |  |  | 0 | 0
Other comprehensive income (loss), before reclassification, net of tax |  |  | 0 | 2
Other adjustments |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Other comprehensive income (loss), before reclassification, before tax | 0 | (1) | (7) | (19)
Other comprehensive income (loss), before reclassification, tax | 0 | (1) | (2) | (5)
Other comprehensive income (loss), before reclassification, net of tax | $ 0 | $ 0 | $ (5) | $ (14)

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