v3.20.4
Tax Matters - Taxes on Items of Other Comprehensive Income/(Loss) (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Tax Expense/(Benefit) on Other Comprehensive Income/(Loss)      
Foreign currency translation adjustments, net [1] $ (79) $ 254 $ 94
Unrealized holding gains/(losses) on derivative financial instruments, net (88) 83 21
Reclassification adjustments for (gains)/losses included in net income (25) (125) 27
Other comprehensive income (loss), derivatives qualifying as hedges, tax, total (113) (42) 50
Unrealized holding gains/(losses) on available-for-sale securities, net 45 0 (23)
Reclassification adjustments for (gains)/losses included in net income (24) 5 16
Other comprehensive income (loss), available-for-sale securities, tax, total 22 5 (53)
Benefit plans: actuarial gains/(losses), net (281) (169) (141)
Reclassification adjustments related to amortization 62 55 55
Reclassification adjustments related to settlements, net 65 65 33
Other (8) (10) 29
Defined benefit plan, amounts recognized in other comprehensive income (loss), net actuarial gain (loss), tax (161) (58) 612
Benefit plans: prior service (costs)/credits and other, net 12 (1) 2
Reclassification adjustments related to amortization of prior service costs and other, net (31) (43) (39)
Reclassification adjustments related to curtailments of prior service costs and other, net 0 (1) (4)
Other 1 0 0
Other comprehensive income (loss), pension and other postretirement benefit plans, net prior service cost (credit), tax (17) (45) (185)
Tax provision/(benefit) on other comprehensive income/(loss) [2] (349) 115 518
Reclassification of Certain Tax Effects from AOCI [Member]      
Tax Expense/(Benefit) on Other Comprehensive Income/(Loss)      
Reclassification adjustments of certain tax effects from AOCI to Retained earnings [3] 0 0 1
Reclassification adjustments of certain tax effects from AOCI to Retained earnings [3] 0 0 637
Reclassification adjustments of certain tax effects from AOCI to Retained earnings [3] 0 0 (144)
Financial Assets and Liabilities [Member]      
Tax Expense/(Benefit) on Other Comprehensive Income/(Loss)      
Reclassification adjustments for tax on unrealized gains from AOCI to Retained earnings [4] $ 0 $ 0 $ (45)
[1] Taxes are not provided for foreign currency translation adjustments relating to investments in international subsidiaries that are expected to be held indefinitely.
[2] See Note 5E.
[3] For additional information on the adoption of a new accounting standard related to reclassification of certain tax effects from AOCI, see Note 1B in our 2018 Financial Report.
[4] For additional information on the adoption of a new accounting standard related to financial assets and liabilities, see Note 1B in our 2018 Financial Report.