Derivatives and Risk Management (Balance Sheet Classification of Derivative Financial Instruments) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Derivatives, Fair Value [Line Items]
Net current derivative assets (liabilities)	$ 536	$ (1,174)
Net long-term derivative assets (liabilities)	76	(307)
Non-performance risk adjustment	(2)	3
Total	610	(1,478)
Not Designated as Hedging Instrument
Derivatives, Fair Value [Line Items]
Derivative assets	791	218
Derivative liabilities	179	1,699
Natural Gas \| Not Designated as Hedging Instrument \| Fixed price swaps \| Derivative assets
Derivatives, Fair Value [Line Items]
Derivative assets	466	0
Natural Gas \| Not Designated as Hedging Instrument \| Fixed price swaps \| Other long-term assets
Derivatives, Fair Value [Line Items]
Derivative assets	0	28
Natural Gas \| Not Designated as Hedging Instrument \| Fixed price swaps \| Derivative liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	18	581
Natural Gas \| Not Designated as Hedging Instrument \| Fixed price swaps \| Other long-term liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	0	281
Natural Gas \| Not Designated as Hedging Instrument \| Two-way costless collars \| Derivative assets
Derivatives, Fair Value [Line Items]
Derivative assets	36	47
Natural Gas \| Not Designated as Hedging Instrument \| Two-way costless collars \| Other long-term assets
Derivatives, Fair Value [Line Items]
Derivative assets	46	18
Natural Gas \| Not Designated as Hedging Instrument \| Two-way costless collars \| Derivative liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	14	235
Natural Gas \| Not Designated as Hedging Instrument \| Two-way costless collars \| Other long-term liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	15	56
Natural Gas \| Not Designated as Hedging Instrument \| Three-way costless collars \| Derivative assets
Derivatives, Fair Value [Line Items]
Derivative assets	62	18
Natural Gas \| Not Designated as Hedging Instrument \| Three-way costless collars \| Other long-term assets
Derivatives, Fair Value [Line Items]
Derivative assets	116	3
Natural Gas \| Not Designated as Hedging Instrument \| Three-way costless collars \| Derivative liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	27	311
Natural Gas \| Not Designated as Hedging Instrument \| Three-way costless collars \| Other long-term liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	60	20
Natural Gas \| Not Designated as Hedging Instrument \| Basis swaps \| Derivative assets
Derivatives, Fair Value [Line Items]
Derivative assets	14	64
Natural Gas \| Not Designated as Hedging Instrument \| Basis swaps \| Other long-term assets
Derivatives, Fair Value [Line Items]
Derivative assets	4	17
Natural Gas \| Not Designated as Hedging Instrument \| Basis swaps \| Derivative liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	6	69
Natural Gas \| Not Designated as Hedging Instrument \| Basis swaps \| Other long-term liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	0	1
Natural Gas \| Not Designated as Hedging Instrument \| Call options \| Derivative liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	1	70
Natural Gas \| Not Designated as Hedging Instrument \| Call options \| Other long-term liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	17	18
Natural Gas \| Not Designated as Hedging Instrument \| Put options \| Derivative assets
Derivatives, Fair Value [Line Items]
Derivative assets	8	0
Natural Gas \| Not Designated as Hedging Instrument \| Put options \| Other long-term assets
Derivatives, Fair Value [Line Items]
Derivative assets	0	4
Natural Gas \| Not Designated as Hedging Instrument \| Put options \| Derivative liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	8	0
Oil \| Not Designated as Hedging Instrument \| Fixed price swaps \| Derivative assets
Derivatives, Fair Value [Line Items]
Derivative assets	1	0
Oil \| Not Designated as Hedging Instrument \| Fixed price swaps \| Other long-term assets
Derivatives, Fair Value [Line Items]
Derivative assets	0	1
Oil \| Not Designated as Hedging Instrument \| Fixed price swaps \| Derivative liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	2	20
Oil \| Not Designated as Hedging Instrument \| Fixed price swaps \| Other long-term liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	0	4
Oil \| Not Designated as Hedging Instrument \| Two-way costless collars \| Derivative assets
Derivatives, Fair Value [Line Items]
Derivative assets	3	0
Oil \| Not Designated as Hedging Instrument \| Two-way costless collars \| Derivative liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	1	0
Oil \| Not Designated as Hedging Instrument \| Three-way costless collars \| Derivative assets
Derivatives, Fair Value [Line Items]
Derivative assets	1	1
Oil \| Not Designated as Hedging Instrument \| Three-way costless collars \| Other long-term assets
Derivatives, Fair Value [Line Items]
Derivative assets	10	0
Oil \| Not Designated as Hedging Instrument \| Three-way costless collars \| Derivative liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	1	31
Oil \| Not Designated as Hedging Instrument \| Three-way costless collars \| Other long-term liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	8	0
Ethane \| Not Designated as Hedging Instrument \| Fixed price swaps \| Derivative assets
Derivatives, Fair Value [Line Items]
Derivative assets	9	4
Ethane \| Not Designated as Hedging Instrument \| Fixed price swaps \| Other long-term assets
Derivatives, Fair Value [Line Items]
Derivative assets	0	1
Ethane \| Not Designated as Hedging Instrument \| Fixed price swaps \| Derivative liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	0	1
Propane \| Not Designated as Hedging Instrument \| Fixed price swaps \| Derivative assets
Derivatives, Fair Value [Line Items]
Derivative assets	12	9
Propane \| Not Designated as Hedging Instrument \| Fixed price swaps \| Other long-term assets
Derivatives, Fair Value [Line Items]
Derivative assets	0	1
Propane \| Not Designated as Hedging Instrument \| Fixed price swaps \| Derivative liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	1	0
Normal Butane \| Not Designated as Hedging Instrument \| Fixed price swaps \| Derivative assets
Derivatives, Fair Value [Line Items]
Derivative assets	1	1
Natural Gasoline \| Not Designated as Hedging Instrument \| Fixed price swaps \| Derivative assets
Derivatives, Fair Value [Line Items]
Derivative assets	2	1
Natural Gasoline \| Not Designated as Hedging Instrument \| Fixed price swaps \| Derivative liabilities
Derivatives, Fair Value [Line Items]
Derivative liabilities	$ 0	$ 1

Derivative Assets (Liabilities), at Fair Value, Net, Current

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Derivative Assets (Liabilities), at Fair Value, Net, Noncurrent

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- Definition

Fair values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments.

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Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

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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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