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Debt Instrument, Face Amount, Tranche One

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Debt Instrument, Floor Rate on Variable Rate

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Number of Tranches

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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The carrying amount of the equity component of convertible debt which may be settled in cash upon conversion.

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The price per share of the conversion feature embedded in the debt instrument.

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Ratio applied to the conversion of debt instrument into equity with equity shares divided by debt principal amount.

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The number of equity instruments that the holder of the debt instrument would receive if the debt was converted to equity.

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Threshold period of specified consecutive trading days within which common stock price to conversion price of convertible debt instrument must exceed threshold percentage for specified number of trading days to trigger conversion feature.

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Threshold number of specified trading days that common stock price to conversion price of convertible debt instruments must exceed threshold percentage within a specified consecutive trading period to trigger conversion feature.

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Face (par) amount of debt instrument at time of issuance.

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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The cash inflow from borrowing by issuing commercial paper.

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The cash inflow from a debt initially having maturity due after one year or beyond the operating cycle, if longer.

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The cash outflow due to repaying amounts borrowed by issuing commercial paper.

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Carrying value as of the balance sheet date of the portion of long-term, uncollateralized debt obligations due within one year or the normal operating cycle, if longer.

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Debt - Narrative (Details)	1 Months Ended				6 Months Ended
Debt - Narrative (Details)	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