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v3.20.2

Debt - Narrative (Details) | 1 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2020 USD ($) tranche | Apr. 30, 2020 USD ($) shares $ / shares | Feb. 29, 2020 USD ($) | Dec. 31, 2019 USD ($) | May 31, 2020 USD ($) day shares | Jun. 30, 2020 EUR (€) tranche
Debt Instrument [Line Items] |  |  |  |  |  |
Current unsecured debt |  |  |  |  | $ 3,000,000,000.0 |
Debt instrument, convertible, conversion ratio |  |  |  |  | 3.0 |
Export credit facility | Export credit facility due 2032 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Proceeds from long-term debt |  |  |  | $ 823,000,000 |  |
Sterling-denominated floating rate bank loan | Sterling-denominated floating rate bank loan due 2025 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Proceeds from long-term debt |  |  | $ 452,000,000 |  |  |
Euro-denominated fixed rate bank loan | Euro-denominated fixed rate bank loan due 2021 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Proceeds from long-term debt |  | $ 166,000,000 |  |  |  |
Secured | Senior Secured Notes due 2023 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt instrument, face amount |  | $ 4,000,000,000.0 |  |  |  |
Debt instrument, interest rate (percent) |  | 11.50% |  |  |  |
Long-term debt |  |  |  |  | $ 28,300,000,000 |
Secured | Senior Secured Notes due 2023 | On or After January 1, 2023 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt instrument, redemption price (percentage) |  |  |  |  | 100.00% |
Secured | Senior Secured Notes due 2023 | Maximum | On or After January 1, 2023 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt instrument, redemption price (percentage) |  |  |  |  | 101.00% |
Secured | Senior Secured Term Loan Facility due 2025 | Subsequent Event |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt instrument, face amount | $ 2,800,000,000 |  |  |  |  |
Debt instrument, redemption price (percentage) | 102.00% |  |  |  |  |
Number of tranches | tranche | 2 |  |  |  |  | 2
Debt instrument, face amount, tranche one | $ 1,900,000,000 |  |  |  |  |
Debt instrument, face amount, tranche two | € |  |  |  |  |  | € 800,000,000
Secured | Senior Secured Term Loan Facility due 2025 | Subsequent Event | LIBOR |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt instrument, floor rate on variable rate (percentage) | 1.00% |  |  |  |  |
Debt instrument, variable rate (percentage) | 7.50% |  |  |  |  |
Secured | Senior Secured Term Loan Facility due 2025 | Subsequent Event | Eurodollar |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt instrument, floor rate on variable rate (percentage) | 0.00% |  |  |  |  |
Debt instrument, variable rate (percentage) | 7.50% |  |  |  |  |
Convertible | Senior Convertible Notes due 2023 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt instrument, face amount |  | $ 2,000,000,000.0 |  |  |  |
Debt instrument, interest rate (percent) |  | 5.75% |  |  |  |
Long-term debt |  |  |  |  | $ 1,680,000,000 |
Debt instrument, convertible, number of shares | shares |  | 100 |  |  |  |
Conversion rate, amount |  | $ 1,000 |  |  |  |
Debt instrument, conversion price (in dollars per share) | $ / shares |  | $ 10 |  |  |  |
Debt instrument, convertible, carrying amount |  |  |  |  | $ 286,000,000 |
Debt instrument, effective interest rate (percentage) |  |  |  |  | 12.90% |
Convertible | Senior Convertible Notes due 2023 | On or After January 1, 2023 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt instrument, redemption price (percentage) |  |  |  |  | 100.00% |
Debt instrument, convertible, number of shares | shares |  |  |  |  | 100 |
Conversion rate, amount |  |  |  |  | $ 1,000 |
Convertible | Senior Convertible Notes due 2023 | Measurement Period |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Conversion rate, amount |  |  |  |  | $ 1,000 |
Convertible threshold trading days | day |  |  |  |  | 5 |
Convertible threshold consecutive trading days | day |  |  |  |  | 5 |
Convertible | Senior Convertible Notes due 2023 | Minimum | Before January 1, 2023 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt instrument, redemption price (percentage) |  |  |  |  | 130.00% |
Convertible threshold trading days | day |  |  |  |  | 20 |
Convertible threshold consecutive trading days | day |  |  |  |  | 30 |
Convertible | Senior Convertible Notes due 2023 | Minimum | Measurement Period |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Debt instrument, redemption price (percentage) |  |  |  |  | 98.00% |
Commercial paper |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Current unsecured debt |  |  |  |  | $ 467,000,000 |
Proceeds from short term debt |  |  |  |  | 525,000,000 |
Repayments of short term debt |  |  |  |  | 0 |
Euro-denominated commercial paper |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Current unsecured debt |  |  |  |  | 58,000,000 |
Sterling-denominated commercial paper |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Current unsecured debt |  |  |  |  | $ 31,000,000 |

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