Capped Call Issuance Costs Incurred, Net

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Debt Instrument, Convertible, Conversion Ratio, Percent

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Debt Instrument, Convertible, Threshold Percentage of Conversion Price

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Debt To Book Capitalization Ratio

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Issuance Fees And Deferred Taxes

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Option Indexed to Issuer's Equity, Cap Price

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Principal Repayments In Progress

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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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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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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Minimum percentage of common stock price to conversion price of convertible debt instruments to determine eligibility of conversion.

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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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The average effective interest rate during the reporting period.

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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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Amount of unamortized debt discount (premium) and debt issuance costs.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Long-term Debt and Interest Expense - Narrative (Details)	1 Months Ended		3 Months Ended		9 Months Ended
	Feb. 28, 2022 USD ($)	May 31, 2020 USD ($) Well mMBtus_per_day day	Sep. 30, 2022 USD ($) Well day $ / shares	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($) $ / shares	Sep. 30, 2021 USD ($)	Jul. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)	May 01, 2020 USD ($)
Debt Instrument [Line Items]
Line of credit facility, maximum borrowing capacity			$ 2,000,000,000		$ 2,000,000,000
Outstanding borrowings under the Credit Facility			0		0
Long-term debt			5,241,000,000		5,241,000,000			$ 6,975,000,000
Repayments of debt	$ 1,300,000,000				2,097,000,000	$ 3,371,000,000
Loss on early extinguishment of debt, net			$ 0	$ 0	$ 47,000,000	2,000,000
Cap price \| $ / shares			$ 141.38		$ 141.38
Net costs		$ 113,000,000
Issuance costs and discounts			$ 27,000,000		$ 27,000,000			43,000,000
Revolving Credit Agreement \| Minimum
Debt Instrument [Line Items]
Debt to book capitalization ratio			0.65		0.65
Revolving Credit Agreement \| Maximum
Debt Instrument [Line Items]
Debt to book capitalization ratio			1.0		1.0
5.625% senior notes due 2027
Debt Instrument [Line Items]
Stated interest rate			5.625%		5.625%
3.950% senior notes due 2022
Debt Instrument [Line Items]
Stated interest rate			3.95%		3.95%
0.750% senior callable notes due 2024
Debt Instrument [Line Items]
Stated interest rate			0.75%		0.75%
4.450% senior notes due 2026
Debt Instrument [Line Items]
Stated interest rate			4.45%		4.45%
0.550% senior notes due 2023
Debt Instrument [Line Items]
Stated interest rate			0.55%		0.55%
0.250% convertible senior notes due 2025
Debt Instrument [Line Items]
Stated interest rate			0.25%		0.25%
Issuance costs and discounts			$ 10,000,000		$ 10,000,000
Senior notes \| 5.625% senior notes due 2027
Debt Instrument [Line Items]
Long-term debt			179,000,000		179,000,000			179,000,000
Senior notes \| 3.950% senior notes due 2022
Debt Instrument [Line Items]
Long-term debt			0		0		$ 244,000,000	244,000,000
Senior notes \| 0.750% senior callable notes due 2024
Debt Instrument [Line Items]
Long-term debt	750,000,000		0		0			750,000,000
Senior notes \| 4.450% senior notes due 2026
Debt Instrument [Line Items]
Long-term debt	$ 500,000,000		0		0			500,000,000
Senior notes \| 0.750% senior callable notes due 2024 and 4.450%senior notes due 2026
Debt Instrument [Line Items]
Loss on early extinguishment of debt, net					47,000,000
Senior notes \| 0.550% senior notes due 2023
Debt Instrument [Line Items]
Long-term debt			750,000,000		750,000,000			750,000,000
Senior notes \| 0.250% convertible senior notes due 2025
Debt Instrument [Line Items]
Long-term debt			$ 1,083,000,000		$ 1,083,000,000			$ 1,323,000,000	$ 1,300,000,000
Initial conversion rate					0.0100654
Debt instrument, convertible, conversion price \| $ / shares			$ 99.35		$ 99.35
Debt instrument, convertible, threshold trading days \| day		20	20
Threshold consecutive trading days \| Well		30	30
Debt instrument, convertible, threshold percentage of conversion price		130.00%
Debt instrument, convertible, threshold percentage of stock price trigger		98.00%
Debt instrument, convertible, conversion ratio, percent		100.00%
Effective interest rate					0.60%
Senior notes \| 0.250% convertible senior notes due 2025 \| Debt Conversion Terms One
Debt Instrument [Line Items]
Debt instrument, convertible, threshold trading days \| mMBtus_per_day		5
Senior notes \| 0.250% convertible senior notes due 2025 \| Debt Conversion Terms Two
Debt Instrument [Line Items]
Threshold consecutive trading days \| mMBtus_per_day		5
Convertible debt \| 0.250% convertible senior notes due 2025
Debt Instrument [Line Items]
Long-term debt			$ 285,000,000		$ 285,000,000
Repayments of debt					240,000,000	$ 0
Issuance fees and deferred taxes					19,000,000
Principal repayments in progress					$ 45,000,000