Related Party Transactions - Schedule of Other Related Party Balances (Details) - USD ($) $ in Millions	Jun. 30, 2020	Jan. 01, 2020	Dec. 31, 2019
Related Party Transaction [Line Items]
Accounts receivable	$ 36		$ 29
Prepaid expenses	6		15
Other assets	2		2
Contract assets	240	$ 0	0
Accounts payable	21		10
Deferred revenue	4		0
Accrued liabilities	20		19
Debt payable	2,692		2,692
Financing receivables	301		0
Accrued interest, related parties	16		18
Other accrued liabilities, related parties	4		1
Unamortized debt issuance costs	2		2
Affiliated Entity
Related Party Transaction [Line Items]
Unamortized debt issuance costs	$ 2		$ 2

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