Supplementary Financial Information - Cash, Cash Equivalents and Restricted Cash (Details) - USD ($) $ in Millions	Sep. 30, 2021	Dec. 31, 2020
Supplemental Financial Information [Abstract]
Cash and cash equivalents	$ 2,209	$ 2,625
Restricted cash
Litigation deposits in Brazil	36	42
Escrow and cash collections related to secured borrowing arrangements	17	22
Other restricted cash	0	2
Total Restricted cash	53	66
Cash, cash equivalents and restricted cash	$ 2,262	$ 2,691

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Amount of cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for disposal group and discontinued operations. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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Amount, before valuation allowance, of accounts and financing receivables held for sale.

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Cash and investments whose use in whole or in part is restricted for the long-term, generally by contractual agreements or regulatory requirements. For use in an unclassified balance sheet.

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Other Restricted Cash

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Supplemental Financial Information [Abstract]

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- Definition

Tax and Labor Litigation Deposits in Brazil

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