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Business and Summary of Significant Accounting Policies - Schedule of Changes in Other Comprehensive Earnings (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' equity attributable to parent, beginning balance	$ 8,351
Reclassification adjustments	(123)	$ (73)
Other comprehensive earnings	(402)	1,334
Stockholders' equity attributable to parent, ending balance	9,414	8,351
Unrealized gain (loss) on investments and other financial instruments, net (excluding investments in unconsolidated affiliates)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' equity attributable to parent, beginning balance	1,280	46
Reclassification adjustments	(123)	(73)
Other comprehensive earnings	(410)	1,307
Stockholders' equity attributable to parent, ending balance	747	1,280
Unrealized gain (loss) relating to investments in unconsolidated affiliates
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' equity attributable to parent, beginning balance	21	18
Reclassification adjustments	0	0
Other comprehensive earnings	22	3
Stockholders' equity attributable to parent, ending balance	43	21
Unrealized (loss) gain on foreign currency translation and cash flow hedging
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' equity attributable to parent, beginning balance	(1)	(11)
Reclassification adjustments	0	0
Other comprehensive earnings	(7)	10
Stockholders' equity attributable to parent, ending balance	(8)	(1)
Minimum pension liability adjustment
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' equity attributable to parent, beginning balance	4	(10)
Reclassification adjustments	0	0
Other comprehensive earnings	(7)	14
Stockholders' equity attributable to parent, ending balance	(3)	4
Accumulated Other Comprehensive Earnings (Loss)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Stockholders' equity attributable to parent, beginning balance	1,304	43
Stockholders' equity attributable to parent, ending balance	$ 779	$ 1,304

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