Revenue Contract Balances (Details) - USD ($) $ in Millions	1 Months Ended	12 Months Ended
	Aug. 31, 2020	Dec. 31, 2021	Dec. 31, 2020
Revenue [Abstract]
Contract with Customer, Liability		$ 216	$ 531
Contract with Customer, Liability, Revenue Recognized		410	14
Disaggregation of Revenue [Line Items]
Contract with Customer, Liability		216	531
Financing Receivable, after Allowance for Credit Loss		57	101
Angamos [Member]
Revenue [Abstract]
Contract with Customer, Liability	$ 655
Disaggregation of Revenue [Line Items]
Contract with Customer, Liability	655
Servicing Liability at Amortized Cost, Amortization	$ 55
Discontinued Operations, Held-for-sale or Disposed of by Sale [Member] | Mong Duong held-dfor-sale [Member]
Disaggregation of Revenue [Line Items]
Accounts Receivable, Allowance for Credit Loss		30	32
Financing Receivable, after Allowance for Credit Loss, Current		91	80
Financing Receivable, after Allowance for Credit Loss		1,200	1,300
Financing Receivable, after Allowance for Credit Loss, Noncurrent		$ 1,100	$ 1,200