Risk Management Activities - Schedule of Derivative Instruments (Details) $ in Millions		3 Months Ended		12 Months Ended
		Sep. 30, 2022 USD ($)	Jun. 30, 2022 USD ($)	Dec. 31, 2022 BTU $ / bbl bbl
Crude Oil | Price Swaps
Derivatives, Fair Value [Line Items]
Cash paid for settlement of contracts | $		$ 63	$ 593
Crude Oil | Derivative Contracts - January through March (closed) | Price Swaps
Derivatives, Fair Value [Line Items]
Volume (Bbld) | bbl				140
Weighted Average Price Differential ($/MMBtu)(in usd per share)				65.58
Crude Oil | OffSetting Derivative Contracts - January through March (closed) | Price Swaps
Derivatives, Fair Value [Line Items]
Volume (Bbld) | bbl				0
Weighted Average Price Differential ($/MMBtu)(in usd per share)				0
Crude Oil | Derivative Contracts - April through June (closed) | Price Swaps
Derivatives, Fair Value [Line Items]
Volume (Bbld) | bbl				140
Weighted Average Price Differential ($/MMBtu)(in usd per share)				65.62
Crude Oil | Offsetting Derivative Contracts - April through June (Closed) | Price Swaps
Derivatives, Fair Value [Line Items]
Volume (Bbld) | bbl				0
Weighted Average Price Differential ($/MMBtu)(in usd per share)				0
Crude Oil | Derivative Contracts - July through September | Price Swaps
Derivatives, Fair Value [Line Items]
Volume (Bbld) | bbl				140
Weighted Average Price Differential ($/MMBtu)(in usd per share)				65.59
Crude Oil | OffSetting Derivative Contracts - July through September | Price Swaps
Derivatives, Fair Value [Line Items]
Volume (Bbld) | bbl				0
Weighted Average Price Differential ($/MMBtu)(in usd per share)				0
Crude Oil | Derivative Contracts - October through December (closed) | Price Swaps
Derivatives, Fair Value [Line Items]
Volume (Bbld) | bbl				53
Weighted Average Price Differential ($/MMBtu)(in usd per share)				66.11
Crude Oil | OffSetting Derivative Contracts - October through December (closed) | Price Swaps
Derivatives, Fair Value [Line Items]
Volume (Bbld) | bbl				0
Weighted Average Price Differential ($/MMBtu)(in usd per share)				0
Crude Oil | Derivative Contracts - October through December | Price Swaps
Derivatives, Fair Value [Line Items]
Volume (Bbld) | bbl				87
Weighted Average Price Differential ($/MMBtu)(in usd per share)				65.41
Crude Oil | OffSetting Derivative Contracts - October and December | Price Swaps
Derivatives, Fair Value [Line Items]
Volume (Bbld) | bbl				87
Weighted Average Price Differential ($/MMBtu)(in usd per share)				88.85
Crude Oil | Derivative Contracts - January through March (closed) Year Two | Price Swaps
Derivatives, Fair Value [Line Items]
Volume (Bbld) | bbl				55
Weighted Average Price Differential ($/MMBtu)(in usd per share)				67.96
Crude Oil | Offsetting Derivative Contracts - January through March (closed) Year Two | Price Swaps
Derivatives, Fair Value [Line Items]
Volume (Bbld) | bbl				0
Weighted Average Price Differential ($/MMBtu)(in usd per share)				0
Crude Oil | Derivative Contracts - January through March | Price Swaps
Derivatives, Fair Value [Line Items]
Volume (Bbld) | bbl				95
Weighted Average Price Differential ($/MMBtu)(in usd per share)				67.90
Crude Oil | OffSetting Derivative Contracts - January Through March | Price Swaps
Derivatives, Fair Value [Line Items]
Volume (Bbld) | bbl				6
Weighted Average Price Differential ($/MMBtu)(in usd per share)				102.26
Crude Oil | Derivative Contracts - April Through May (Closed) | Price Swaps
Derivatives, Fair Value [Line Items]
Volume (Bbld) | bbl				29
Weighted Average Price Differential ($/MMBtu)(in usd per share)				68.28
Crude Oil | offsetting Derivative Contracts - April Through May (Closed) | Price Swaps
Derivatives, Fair Value [Line Items]
Volume (Bbld) | bbl				0
Weighted Average Price Differential ($/MMBtu)(in usd per share)				0
Crude Oil | Derivative Contracts - April Through May | Price Swaps
Derivatives, Fair Value [Line Items]
Volume (Bbld) | bbl				91
Weighted Average Price Differential ($/MMBtu)(in usd per share)				67.63
Crude Oil | offsetting Derivative Contracts - April Through May | Price Swaps
Derivatives, Fair Value [Line Items]
Volume (Bbld) | bbl				2
Weighted Average Price Differential ($/MMBtu)(in usd per share)				98.15
Crude Oil | Derivative Contracts - June (CLosed) | Price Swaps
Derivatives, Fair Value [Line Items]
Volume (Bbld) | bbl				118
Weighted Average Price Differential ($/MMBtu)(in usd per share)				67.77
Crude Oil | OffSetting Derivative Contracts - June (Closed) | Price Swaps
Derivatives, Fair Value [Line Items]
Volume (Bbld) | bbl				0
Weighted Average Price Differential ($/MMBtu)(in usd per share)				0
Crude Oil | Derivative Contracts - June | Price Swaps
Derivatives, Fair Value [Line Items]
Volume (Bbld) | bbl				2
Weighted Average Price Differential ($/MMBtu)(in usd per share)				69.10
Crude Oil | OffSetting Derivative Contracts - June | Price Swaps
Derivatives, Fair Value [Line Items]
Volume (Bbld) | bbl				2
Weighted Average Price Differential ($/MMBtu)(in usd per share)				98.15
Crude Oil | Derivative Contracts - July through September (closed) | Price Swaps
Derivatives, Fair Value [Line Items]
Volume (Bbld) | bbl				100
Weighted Average Price Differential ($/MMBtu)(in usd per share)				70.15
Crude Oil | Offsetting Derivative Contracts - July Through September (Closed) | Price Swaps
Derivatives, Fair Value [Line Items]
Volume (Bbld) | bbl				0
Weighted Average Price Differential ($/MMBtu)(in usd per share)				0
Crude Oil | Derivative Contracts - October through December - Year Two (Closed) | Price Swaps
Derivatives, Fair Value [Line Items]
Volume (Bbld) | bbl				69
Weighted Average Price Differential ($/MMBtu)(in usd per share)				69.41
Crude Oil | Offsetting Derivative Contracts - October through December - Year Two | Price Swaps
Derivatives, Fair Value [Line Items]
Volume (Bbld) | bbl				0
Weighted Average Price Differential ($/MMBtu)(in usd per share)				0
Crude Oil | Derivative Contracts - January through December (closed) | Roll Differential Swap
Derivatives, Fair Value [Line Items]
Volume (Bbld) | bbl	[1]			125
Weighted Average Price Differential ($/MMBtu)(in usd per share)	[1]			0.15
Natural Gas | Price Swaps
Derivatives, Fair Value [Line Items]
Cash paid for settlement of contracts | $			$ 735
Natural Gas | Derivative Contracts - October through December (closed) | Price Swaps
Derivatives, Fair Value [Line Items]
Weighted Average Price Differential ($/MMBtu)(in usd per share)				3.05
Volume (MMBTU) | BTU				425
Natural Gas | Derivative Contracts - October through December | Price Swaps
Derivatives, Fair Value [Line Items]
Weighted Average Price Differential ($/MMBtu)(in usd per share)				4.32
Volume (MMBTU) | BTU				300
Natural Gas | Derivative Contracts - January through December (closed) | Price Swaps
Derivatives, Fair Value [Line Items]
Weighted Average Price Differential ($/MMBtu)(in usd per share)				3.05
Volume (MMBTU) | BTU				425
Natural Gas | Derivative Contracts - January (closed) | Price Swaps
Derivatives, Fair Value [Line Items]
Weighted Average Price Differential ($/MMBtu)(in usd per share)				3.36
Volume (MMBTU) | BTU				300
Natural Gas | Derivative Contracts - February Through December | Price Swaps
Derivatives, Fair Value [Line Items]
Weighted Average Price Differential ($/MMBtu)(in usd per share)				3.36
Volume (MMBTU) | BTU				300
Natural Gas | Derivative Contracts - January Through September | Price Swaps
Derivatives, Fair Value [Line Items]
Weighted Average Price Differential ($/MMBtu)(in usd per share)				3.57
Volume (MMBTU) | BTU				725
Natural Gas | Derivative Contracts - Year Two - January through December | Price Swaps
Derivatives, Fair Value [Line Items]
Weighted Average Price Differential ($/MMBtu)(in usd per share)				3.07
Volume (MMBTU) | BTU				725
Natural Gas | Derivative Contracts - Year Two - January through December | HSC Differential Basis Swaps
Derivatives, Fair Value [Line Items]
Volume (MMBTU) | BTU	[2]			210
Weighted Average Price (MMBtu) ( in usd per share)	[2]			0.01
Natural Gas | Derivative Contracts - Year Three - January through December | Price Swaps
Derivatives, Fair Value [Line Items]
Weighted Average Price Differential ($/MMBtu)(in usd per share)				3.07
Volume (MMBTU) | BTU				725
Natural Gas | Derivative Contracts - Year Three - January through December | HSC Differential Basis Swaps
Derivatives, Fair Value [Line Items]
Volume (MMBTU) | BTU	[2]			135
Weighted Average Price (MMBtu) ( in usd per share)	[2]			0.01
Natural Gas | Derivative Contracts - Year Four - January through December | HSC Differential Basis Swaps
Derivatives, Fair Value [Line Items]
Volume (MMBTU) | BTU	[2]			10
Weighted Average Price (MMBtu) ( in usd per share)	[2]			0.00
Natural Gas | Derivative Contracts - Year Five - January through December | HSC Differential Basis Swaps
Derivatives, Fair Value [Line Items]
Volume (MMBTU) | BTU	[2]			10
Weighted Average Price (MMBtu) ( in usd per share)	[2]			0.00

[1] This settlement index is used to fix the differential in pricing between the NYMEX calendar month average and the physical crude oil delivery month.

[2] This settlement index is used to fix the differential between pricing at the Houston Ship Channel and NYMEX Henry Hub prices.