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v3.20.4

Revenue Contract Balances (Details) - USD ($) $ in Millions | 1 Months Ended | 12 Months Ended
--- | --- | ---
Aug. 31, 2020 | Dec. 31, 2020 | Dec. 31, 2019
Revenue [Abstract] |  |  |
Contract with Customer, Liability |  | $ 531 | $ 117
Contract with Customer, Liability, Revenue Recognized |  | 14 | 13
Loan receivable, net of allowance of $0 |  | 0 | 1,351
Disaggregation of Revenue [Line Items] |  |  |
Loan receivable, net of allowance of $0 |  | 0 | 1,351
Contract with Customer, Liability |  | 531 | 117
Financing Receivable, after Allowance for Credit Loss |  | 101 | 109
Angamos [Member] |  |  |
Revenue [Abstract] |  |  |
Contract with Customer, Liability | $ 655 | 383 |
Disaggregation of Revenue [Line Items] |  |  |
Contract with Customer, Liability | 655 | 383 |
Servicing Liability at Amortized Cost, Amortization | $ 55 |  |
Mong Duong Subsidiary [Member] |  |  |
Disaggregation of Revenue [Line Items] |  |  |
Financing Receivable, before Allowance for Credit Loss and Fee |  |  | $ 1,400
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 |  | 32 |
Financing Receivable, after Allowance for Credit Loss, Current |  | 80 |
Financing Receivable, after Allowance for Credit Loss |  | 1,300 |
Financing Receivable, after Allowance for Credit Loss, Noncurrent |  | $ 1,200 |

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