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Supplemental Balance Sheet Data -Accounts Receivable-Net (Details) - USD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
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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

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