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Other Income, Net
 12 Months Ended
Dec. 31, 2021
Other Income and Expenses [Abstract]  
OTHER INCOME, NET OTHER INCOME/(LOSS), NET
Other income/(loss) consists of various line items that are combined on the income statements due to their respective materiality compared with other individual income and expense items.

The amounts included in Other income/(loss), net for the years ended December 31 were as follows (in millions):
201920202021
Gains/(Losses) on derivatives$(190)$341 $(437)
Currency revaluation gains/(losses) 70 (437)298 
Interest and investment income (a)318 119 32 
Other (a)16 — 29 
Total other income/(loss), net$214 $23 $(78)
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(a)Includes interest income primarily on notes receivable from affiliated companies of $5 million, $13 million, and $10 million for the years ended December 31, 2019, 2020, and 2021, respectively.