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Other Comprehensive (Loss) Income (Schedule Of Components Of Comprehensive (Loss) Income) (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Other comprehensive income (loss), before tax | $ 161 | $ (628) | $ 222 | $ (711)
Other comprehensive income (loss), tax | (18) | 56 | (37) | 77
Other comprehensive income (loss), net of tax | 179 | (684) | 259 | (788)
Foreign currency translation adjustments |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Other comprehensive income (loss), before reclassification, before tax | 223 | (864) | 342 | (1,033)
Other comprehensive income (loss), before reclassification, tax | (1) | 0 | (7) | 0
Other comprehensive income (loss), before reclassification, net of tax | 224 | (864) | 349 | (1,033)
Reclassification from AOCI, net of tax | 0 | 0 | 0 | 0
Other comprehensive income (loss), net of tax | 224 | (864) | 349 | (1,033)
Prior service credits |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Reclassification from AOCI, before Tax | (1) | (1) | (1) | (1)
Reclassification from AOCI, tax | 0 | 0 | 0 | 0
Reclassification from AOCI, net of tax | (1) | (1) | (1) | (1)
Net actuarial losses |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Reclassification from AOCI, before Tax | 5 | 38 | 10 | 77
Reclassification from AOCI, tax | 1 | 11 | 3 | 20
Reclassification from AOCI, net of tax | 4 | 27 | 7 | 57
Pension/post-retirement plans (losses) gains |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Other comprehensive income (loss), before reclassification, net of tax | (48) | 154 | (96) | 189
Reclassification from AOCI, before Tax | 4 | 37 | 9 | 76
Reclassification from AOCI, tax | 1 | 11 | 3 | 20
Reclassification from AOCI, net of tax | 3 | 26 | 6 | 56
Other comprehensive income (loss), before tax | (62) | 236 | (120) | 322
Other comprehensive income (loss), tax | (17) | 56 | (30) | 77
Other comprehensive income (loss), net of tax | (45) | 180 | (90) | 245
Foreign currency translation adjustments |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Other comprehensive income (loss), before reclassification, before tax | (59) | 187 | (122) | 252
Other comprehensive income (loss), before reclassification, tax | (16) | 44 | (31) | 60
Other comprehensive income (loss), before reclassification, net of tax | (43) | 143 | (91) | 192
Effect of remeasurement |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Other comprehensive income (loss), before reclassification, before tax | 0 | 10 | 0 | 10
Other comprehensive income (loss), before reclassification, tax | 0 | 1 | 0 | 1
Other comprehensive income (loss), before reclassification, net of tax | 0 | 9 | 0 | 9
Effect of settlement |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Other comprehensive income (loss), before reclassification, before tax | 0 | 2 | 0 | 2
Other comprehensive income (loss), before reclassification, tax | 0 | 0 | 0 | 0
Other comprehensive income (loss), before reclassification, net of tax | 0 | 2 | 0 | 2
Other adjustments |  |  |  |
Accumulated Other Comprehensive Income (Loss) [Line Items] |  |  |  |
Other comprehensive income (loss), before reclassification, before tax | (7) | 0 | (7) | (18)
Other comprehensive income (loss), before reclassification, tax | (2) | 0 | (2) | (4)
Other comprehensive income (loss), before reclassification, net of tax | $ (5) | $ 0 | $ (5) | $ (14)

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