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Other Income/(Loss) (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2020
Jun. 30, 2019
Net Periodic Defined Benefits Expense (Reversal of Expense), Excluding Service Cost Component $ 544 $ 111 $ 995 $ 383
Investment-related interest income 122 207 284 410
Unrecognized Tax Benefits, Interest on Income Taxes Expense 12 (1) (11) (21)
Gain (Loss) on Investments 47 (187) 15 (120)
Gains (Losses) On Changes In Investments In Affiliates 3,465 (1) 3,480 2
Gain (Loss) on Extinguishment of Debt (1) (53) (1) (53)
Royalty income 94 108 183 192
Other 35 88 53 107
Total $ 4,318 $ 272 $ 4,998 $ 900