Schedule II - Valuation and Qualifying Accounts and Reserves (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Allowance for doubtful accounts
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	$ 34	$ 28	$ 29
Additions, Charged to Costs and Expenses	16	6	0
Additions, Charged to Other Accounts	4	2	0
Deductions, Charged to Costs and Expenses	0	0	0
Deductions, Charged to Other Accounts	10	2	1
Balance at End of Period	44	34	28
Investments and long-term receivables reserve
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	5	5	5
Additions, Charged to Costs and Expenses	0	0	0
Additions, Charged to Other Accounts	0	3	0
Deductions, Charged to Costs and Expenses	0	0	0
Deductions, Charged to Other Accounts	1	3	0
Balance at End of Period	4	5	5
Domestic deferred tax valuation allowance
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	793	560	211
Additions, Charged to Costs and Expenses	86	240	349
Additions, Charged to Other Accounts	25	2	0
Deductions, Charged to Costs and Expenses	745	0	0
Deductions, Charged to Other Accounts	0	9	0
Balance at End of Period	159	793	560
Foreign deferred tax valuation allowance
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period	3	3	3
Additions, Charged to Costs and Expenses	0	0	0
Additions, Charged to Other Accounts	0	0	0
Deductions, Charged to Costs and Expenses	0	0	0
Deductions, Charged to Other Accounts	0	0	0
Balance at End of Period	$ 3	$ 3	$ 3