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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Fair Value Measurements - Schedule of Carrying Values and Fair Values of Financial Instruments (Details) - USD ($) $ in Millions	Sep. 30, 2022	Dec. 31, 2021	Sep. 30, 2021	Dec. 31, 2020
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Equity investments without readily determinable fair values, carrying amount	$ 170	$ 170
Equity investments without readily determinable fair values, fair value	0	0
Insurance contracts in nonqualified trusts, carrying amount	24	28
Insurance contracts in nonqualified trusts, fair value	24	28
Long-term debt, including current installments of long-term debt, carrying amount	12,398	3,722
Long-term debt, including current installments of long-term debt, fair value	11,633	3,812
Cash and cash equivalents	9,671	536	$ 1,340	$ 955
US Treasury Securities
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Cash and cash equivalents	2,900
Significant Other Observable Inputs (Level 2)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Equity investments without readily determinable fair values, fair value	0	0
Insurance contracts in nonqualified trusts, fair value	24	28
Long-term debt, including current installments of long-term debt, fair value	11,467	3,639
Unobservable Inputs (Level 3)
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
Equity investments without readily determinable fair values, fair value	0	0
Insurance contracts in nonqualified trusts, fair value	0	0
Long-term debt, including current installments of long-term debt, fair value	$ 166	$ 173