Revenue Contract Balances (Details) - USD ($)	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Financing Receivable, after Allowance for Credit Loss	$ 296,000,000		$ 257,000,000
Financing Receivable, Allowance for Credit Loss	0		0
Contract with Customer, Liability	388,000,000		337,000,000
Other current assets	1,449,000,000		1,533,000,000
Contract with Customer, Liability	388,000,000		337,000,000
Contract with Customer, Liability, Revenue Recognized	13,000,000	$ 32,000,000
Mong Duong Subsidiary [Member]
Financing Receivable, after Allowance for Credit Loss	1,100,000,000		1,100,000,000
Financing Receivable, Allowance for Credit Loss	27,000,000		28,000,000
Mong Duong Subsidiary [Member] | Discontinued Operations, Held-for-sale or Disposed of by Sale [Member]
Financing Receivable, after Allowance for Credit Loss, Noncurrent	1,000,000,000
Other current assets	$ 102,000,000		$ 97,000,000