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Debt conversion converted for cash.

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Debt instrument convertible conversion price percentage.

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Long term debt and finance leases current.

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Long term debt and finance leases, noncurrent

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- Definition

The number of shares we purchase under note hedge transactions entered.

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Note hedges transaction costs.

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- Definition

Number of common shares received.

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- Definition

Purchase price per common stock.

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- Definition

Exercise price per share or per unit of warrants or rights outstanding.

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Number of securities into which each warrant or right may be converted. For example, but not limited to, each warrant may be converted into two shares.

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Number of securities into which the class of warrant or right may be converted. For example, but not limited to, 500,000 warrants may be converted into 1,000,000 shares.

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The value of the financial instrument(s) that the original debt is being converted into in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period.

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The number of shares issued in exchange for the original debt being converted in a noncash (or part noncash) transaction. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or payments in the period.

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

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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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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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The cash inflow from additional borrowings, net of cash paid to third parties in connection with debt origination.

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The cash inflow from issuance of rights to purchase common shares at predetermined price (usually issued together with corporate debt).

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Debt - 2021 Notes, Bond Hedges and Warrant Transactions - Additional Information (Detail)	1 Months Ended		3 Months Ended		12 Months Ended
	May 31, 2019 USD ($) Days $ / shares shares	Mar. 31, 2017 USD ($) d $ / shares shares	Mar. 31, 2022 USD ($) $ / shares shares	Mar. 31, 2021 USD ($) shares	Dec. 31, 2021 USD ($) shares	Dec. 31, 2019 USD ($)	Jan. 01, 2021 USD ($)	Dec. 31, 2020 USD ($)
Debt Instrument [Line Items]
Hedge transactions			$ 204,000,000
Proceeds from issuance of warrants			$ 53,000,000			$ 174,000,000
Debt and finance leases, net of current portion					$ 5,245,000,000		$ 9,775,000,000	$ 9,556,000,000
Current portion of debt and finance leases					$ 1,589,000,000		$ 2,182,000,000	$ 2,132,000,000
1.25% Convertible Senior Notes due in 2021 (2021 Notes) [Member]
Debt Instrument [Line Items]
Payment for purchase of common stock \| shares			14,900,000
Common stock purchase price \| $ / shares			$ 65.50
Shares issued under warrants \| shares			14,900,000
Exercise price of warrant \| $ / shares			$ 131
Debt Conversion Converted For Cash				$ 5,300,000
Shares issued upon conversion of each $1000 principal amount \| shares				422,000,000
Number of common shares received \| shares					5,300,000
1.25% Convertible Senior Notes due in 2021 (2021 Notes) [Member] \| Common Stock [Member]
Debt Instrument [Line Items]
Common stock issued in settlement of warrants \| shares					15,800,000
1.25% Convertible Senior Notes due in 2021 (2021 Notes) [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Conversion price per share \| $ / shares			65.50
1.25% Convertible Senior Notes due in 2021 (2021 Notes) [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Conversion price per share \| $ / shares			$ 131.00
2.375% Convertible Senior Notes due in 2022 [Member]
Debt Instrument [Line Items]
Debt principal issued		$ 978,000,000
Proceeds from convertible senior notes, net of underwriting discounts and issuance costs		$ 966,000,000
Conversion price per share \| $ / shares		$ 65.50
Debt instrument convertible, percentage of conversion price		130.00%
Debt instrument, effective interest rate		6.00%
Convertible principal amount		$ 1,000			$ 474,000,000
Shares issued upon conversion of each $1000 principal amount \| shares		15.2670			6,500,000
Number of common shares received \| shares					6,500,000
2.375% Convertible Senior Notes due in 2022 [Member] \| One Hundred Thirty Percent Applicable Conversion Price [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Debt instrument convertible trading days \| d		20
2.375% Convertible Senior Notes due in 2022 [Member] \| One Hundred Thirty Percent Applicable Conversion Price [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Debt instrument convertible trading days \| d		30
2.00% Convertible Senior Notes due in 2024 [Member]
Debt Instrument [Line Items]
Debt principal issued	$ 1,840,000,000
Proceeds from convertible senior notes, net of underwriting discounts and issuance costs	$ 1,820,000,000
Conversion price per share \| $ / shares	$ 61.97
Debt instrument convertible, percentage of conversion price	130.00%
Debt instrument, effective interest rate	8.68%
Payment for purchase of common stock \| shares	29,700,000
Common stock purchase price \| $ / shares	$ 61.97
Hedge transactions	$ 476,000,000
Shares issued under warrants \| shares	29,700,000
Exercise price of warrant \| $ / shares	$ 121.50
Proceeds from issuance of warrants	$ 174,000,000
Convertible principal amount	$ 1,000				$ 1,190,000,000
Shares issued upon conversion of each $1000 principal amount \| shares	16.1380				17,600,000
Number of common shares received \| shares					17,600,000
2.00% Convertible Senior Notes due in 2024 [Member] \| Common Stock [Member]
Debt Instrument [Line Items]
Common stock issued in settlement of warrants \| shares					21,400,000
2.00% Convertible Senior Notes due in 2024 [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Conversion price per share \| $ / shares	$ 61.97
2.00% Convertible Senior Notes due in 2024 [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Conversion price per share \| $ / shares	$ 121.50
2.00% Convertible Senior Notes due in 2024 [Member] \| One Hundred Thirty Percent Applicable Conversion Price [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Debt instrument convertible consecutive trading days \| Days	20
2.00% Convertible Senior Notes due in 2024 [Member] \| One Hundred Thirty Percent Applicable Conversion Price [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Debt instrument convertible trading days \| Days	30