Supplemental Balance Sheet Data -Accounts Receivable-Net (Details) - USD ($) $ in Millions	Dec. 31, 2021	Dec. 31, 2020
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable—net	$ 497	$ 265
Trade
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable—net	464	256
Other
Accounts, Notes, Loans and Financing Receivable [Line Items]
Accounts receivable—net	$ 33	$ 9