Supplemental Oil and Gas Information (Unaudited) (Tables)

12 Months Ended

Dec. 31, 2024

Oil and Gas Disclosure [Abstract]

Schedule of Proved Reserves Based on Average Prices

	Equivalents
(Millions of barrels of oil equivalent)	Total	United States	Canada	Other
Proved developed and undeveloped reserves:
December 31, 2021	716.9	343.4	372.8	0.7
Revisions of previous estimates	(23.6)	29.0	(52.8)	0.2
Improved recovery	5.3	5.3	—	—
Extensions and discoveries	80.1	20.6	59.5	—
Purchases of properties	5.0	5.0	—	—
Sale of properties	(4.4)	(4.4)	—	—
Production	(63.9)	(41.9)	(21.7)	(0.3)
December 31, 2022	715.4	357.0	357.8	0.6
Revisions of previous estimates	(13.3)	(13.3)	0.2	(0.2)
Improved recovery	0.4	—	0.4	—
Extensions and discoveries	112.6	12.7	87.3	12.6
Sale of properties	(5.2)	—	(5.2)	—
Production	(70.4)	(45.3)	(25.0)	(0.1)
December 31, 2023	739.5	311.1	415.5	12.9
Revisions of previous estimates	14.3	8.1	6.3	(0.1)
Improved recovery	11.3	11.3	—	—
Extensions and discoveries	31.4	16.0	15.4	—
Production	(67.5)	(39.1)	(28.3)	(0.1)
December 31, 2024 ¹	729.0	307.4	408.9	12.7
Proved developed reserves:
December 31, 2021	419.2	241.9	176.8	0.6
December 31, 2022	436.0	264.2	171.3	0.5
December 31, 2023	425.5	223.2	202.0	0.3
December 31, 2024 ²	436.2	218.9	217.1	0.2
Proved undeveloped reserves:
December 31, 2021	297.7	101.6	196.0	0.1
December 31, 2022	279.4	92.8	186.5	0.1
December 31, 2023	314.0	87.9	213.5	12.6
December 31, 2024 ³	292.8	88.5	191.8	12.5

1  Total and United States includes proved reserves of 15.9 MMBOE, consisting of 14.5 MMBBL of oil, 0.6 MMBBL of NGLs and 5 BCF of natural gas attributable to the noncontrolling interest in MP GOM.

2 Total and United States includes proved developed reserves of 14.4 MMBOE, consisting of 13.2 MMBBL of oil, 0.5 MMBBL of NGLs and 4.2 BCF of natural gas attributable to the noncontrolling interest in MP GOM.

3 Total and United States includes proved undeveloped reserves of 1.5 MMBOE, consisting of 1.3 MMBBL of oil, 0.1 MMBBL of NGLs and 0.8 BCF of natural gas attributable to the noncontrolling interest in MP GOM.

4 Totals within the tables may not add as a result of rounding.

(Millions of barrels)	Total	United States	Canada	Other
Proved developed and undeveloped crude oil reserves:
December 31, 2021	291.5	255.0	35.9	0.6
Revisions of previous estimates	23.4	19.9	3.3	0.2
Improved recovery	4.7	4.7	—	—
Extensions and discoveries	18.9	16.1	2.8	—
Purchases of properties	4.2	4.2	—	—
Sale of properties	(3.6)	(3.6)	—	—
Production	(35.5)	(32.7)	(2.5)	(0.3)
December 31, 2022	303.6	263.6	39.5	0.5
Revisions of previous estimates	(10.8)	(8.9)	(1.8)	(0.1)
Improved recovery	0.4	—	0.4	—
Extensions and discoveries	22.5	8.9	1.5	12.1
Sale of properties	(2.0)	—	(2.0)	—
Production	(37.9)	(35.6)	(2.2)	(0.1)
December 31, 2023	275.8	228.0	35.4	12.4
Revisions of previous estimates	6.6	6.6	0.1	(0.1)
Improved recovery	10.7	10.7	—	—
Extensions and discoveries	16.6	10.7	5.9	—
Production	(34.6)	(30.8)	(3.7)	(0.1)
December 31, 2024 ¹	275.1	225.2	37.7	12.2
Proved developed crude oil reserves:
December 31, 2021	191.5	174.9	16.0	0.5
December 31, 2022	209.0	194.4	14.2	0.4
December 31, 2023	186.3	163.7	22.3	0.3
December 31, 2024 ²	184.7	164.1	20.4	0.2
Proved undeveloped crude oil reserves:
December 31, 2021	99.9	80.0	19.8	0.1
December 31, 2022	94.6	69.2	25.3	0.1
December 31, 2023	89.5	64.3	13.1	12.1
December 31, 2024 ³	90.4	61.1	17.3	12.0

1 Total and United States includes proved reserves of 14.5 MMBBL attributable to the noncontrolling interest in MP GOM.

2 Total and United States includes proved developed reserves of 13.2 MMBBL attributable to the noncontrolling interest in MP GOM.

3 Total and United States includes proved undeveloped reserves of 1.3 MMBBL attributable to the noncontrolling interest in MP GOM.

4 Totals within the tables may not add as a result of rounding.

(Millions of barrels)	Total	United States	Canada	Other
Proved developed and undeveloped NGL reserves:
December 31, 2021	38.4	35.1	3.3	—
Revisions of previous estimates	4.4	3.9	0.5	—
Improved recovery	0.2	0.2	—	—
Extensions and discoveries	2.5	1.9	0.6	—
Purchase of properties	0.3	0.3	—	—
Sale of properties	(0.2)	(0.2)	—	—
Production	(3.9)	(3.6)	(0.3)	—
December 31, 2022	41.7	37.6	4.1	—
Revisions of previous estimates	(1.4)	(1.2)	(0.2)	—
Extensions and discoveries	2.0	1.7	0.3	—
Sale of properties	(0.6)	—	(0.6)	—
Production	(4.1)	(3.8)	(0.3)	—
December 31, 2023	37.6	34.3	3.3	—
Revisions of previous estimates	1.2	0.3	0.9	—
Improved recovery	0.4	0.4	—	—
Extensions and discoveries	2.9	2.4	0.5	—
Production	(3.5)	(3.3)	(0.2)	—
December 31, 2024 ¹	38.6	34.1	4.5	—
Proved developed NGL reserves:
December 31, 2021	28.4	25.6	2.8	—
December 31, 2022	29.7	27.4	2.3	—
December 31, 2023	25.9	24.1	1.8	—
December 31, 2024 ²	24.1	21.9	2.2	—
Proved undeveloped NGL reserves:
December 31, 2021	10.0	9.5	0.5	—
December 31, 2022	12.0	10.2	1.8	—
December 31, 2023	11.7	10.2	1.5	—
December 31, 2024 ³	14.5	12.2	2.3	—

1 Total and United States includes total proved reserves of 0.6 MMBBL attributable to the noncontrolling interest in MP GOM.

2 Total and United States includes proved developed reserves of 0.5 MMBBL attributable to the noncontrolling interest in MP GOM.

3 Total and United States includes proved undeveloped reserves of 0.1 MMBBL attributable to the noncontrolling interest in MP GOM.

(Billions of cubic feet)	Total	United States	Canada	Other
Proved developed and undeveloped natural gas reserves:
December 31, 2021	2,322.3	320.3	2,001.8	0.2
Revisions of previous estimates	(309.8)	30.7	(340.5)	—
Improved recovery	2.6	2.6	—	—
Extensions and discoveries	352.4	15.7	336.7	—
Purchases of properties	2.9	2.9	—	—
Sale of properties	(3.6)	(3.6)	—	—
Production	(146.9)	(33.7)	(113.2)	—
December 31, 2022	2,219.9	334.9	1,884.8	0.2
Revisions of previous estimates	(6.9)	(19.0)	12.1	—
Extensions and discoveries	528.9	12.3	513.8	2.8
Sale of properties	(15.6)	—	(15.6)	—
Production	(170.1)	(35.1)	(135.0)	—
December 31, 2023	2,556.2	293.1	2,260.1	3.0
Revisions of previous estimates	39.1	7.7	31.4	—
Improved recovery	1.2	1.2	—	—
Extensions and discoveries	71.4	17.0	54.4	—
Production	(176.1)	(30.1)	(146.0)	—
December 31, 2024 1,4	2,491.8	288.9	2,199.9	3.0
Proved developed natural gas reserves:
December 31, 2021	1,196.0	248.1	947.7	0.2
December 31, 2022	1,183.1	254.1	928.8	0.2
December 31, 2023	1,279.3	212.4	1,066.7	0.2
December 31, 2024 2,4	1,364.2	196.8	1,167.2	0.2
Proved undeveloped natural gas reserves:
December 31, 2021	1,126.4	72.2	1,054.1	—
December 31, 2022	1,036.8	80.8	956.0	—
December 31, 2023	1,276.9	80.7	1,193.4	2.8
December 31, 2024 ³	1,127.6	92.1	1,032.7	2.8

1 Total and United States includes total proved reserves of 5.0 BCF attributable to the noncontrolling interest in MP GOM.

2 Total and United States includes proved developed reserves of 4.2 BCF attributable to the noncontrolling interest in MP GOM.

3 Total and United States includes proved undeveloped reserves of 0.8 BCF attributable to the noncontrolling interest in MP GOM.

4 Includes proved natural gas reserves to be consumed in operations as fuel of 67.9 BCF, 36.0 BCF and 2.8 BCF for the U.S., Canada and Other, respectively, with 1.1 BCF attributable to the noncontrolling interest in MP GOM.

5 Totals within the tables may not add as a result of rounding.

Schedule of Costs Incurred in Oil and Gas Property Acquisition, Exploration and Development Activities

(Millions of dollars)	United States		Canada		Other		Total
Year ended December 31, 2024
Property acquisition costs
Unproved	$	7.8	$	0.2	$	—	$	8.0
Proved	—		—		—		—
Total acquisition costs	7.8		0.2		—		8.0
Exploration costs	85.3		0.4		60.2		145.9
Development costs	598.7		137.7		45.1		781.5
Total costs incurred	691.8		138.3		105.3		935.4
Charged to expense
Dry hole expense	70.9		—		2.3		73.2
Geophysical and other costs	19.2		0.4		31.2		50.8
Total charged to expense	90.1		0.4		33.5		124.0
Property additions	$	601.7	$	137.9	$	71.8	$	811.4
Year ended December 31, 2023
Property acquisition costs
Unproved	$	—	$	—	$	8.5	$	8.5
Proved	12.8		—		14.3		27.1
Total acquisition costs	12.8		—		22.8		35.6
Exploration costs	157.8		0.4		39.9		198.1
Development costs	667.2		206.2		7.4		880.8
Total costs incurred	837.8		206.6		70.1		1,114.5
Charged to expense
Dry hole expense	153.1		—		16.7		169.8
Geophysical and other costs	13.4		0.4		40.3		54.1
Total charged to expense	166.5		0.4		57.0		223.9
Property additions	$	671.3	$	206.2	$	13.1	$	890.6
Year ended December 31, 2022
Property acquisition costs
Unproved	$	1.8	$	—	$	—	$	1.8
Proved	128.5		—		—		128.5
Total acquisition costs	130.3		—		—		130.3
Exploration costs	42.2		0.8		70.3		113.3
Development costs	704.9		208.5		4.3		917.7
Total costs incurred	877.4		209.3		74.6		1,161.3
Charged to expense
Dry hole expense	23.0		—		59.1		82.1
Geophysical and other costs	15.8		0.8		21.1		37.7
Total charged to expense	38.8		0.8		80.2		119.8
Property additions	$	838.6	$	208.5	$	(5.6)	$	1,041.5

Schedule of Results of Operations for Oil and Gas Producing Activities

(Millions of dollars)	United States		Canada		Other		Total
Year ended December 31, 2024
Revenues
Crude oil and natural gas liquids sales	$	2,436.0	$	272.3	$	6.6	$	2,714.9
Natural gas sales	67.8		232.2		—		300.0
Sales of purchased natural gas	—		3.7		—		3.7
Total oil and natural gas revenues	2,503.8		508.2		6.6		3,018.6
Other operating revenues	4.5		1.5				6.0
Total revenues	2,508.3		509.7		6.6		3,024.5
Costs and expenses
Lease operating expenses	749.9		185.5		1.6		937.0
Severance and ad valorem taxes	37.8		1.4		—		39.2
Transportation, gathering and processing	130.9		79.9		—		210.8
Costs of purchased natural gas	—		3.1		—		3.1
Exploration costs charged to expense	90.0		0.4		33.5		123.9
Undeveloped lease amortization	6.2		0.1		3.3		9.6
Depreciation, depletion and amortization	709.2		146.0		1.7		856.9
Accretion of asset retirement obligations	43.1		8.6		0.7		52.4
Impairment of assets	62.9		—		—		62.9
Selling and general expenses	(3.3)		20.4		6.7		23.8
Other expenses (benefits)	(5.6)		3.3		2.6		0.3
Total costs and expenses	1,821.1		448.7		50.1		2,319.9
Results of operations before taxes	687.2		61.0		(43.5)		704.6
Income tax expense (benefit)	125.3		12.0		(31.0)		106.3
Results of operations	$	561.9	$	49.0	$	(12.5)	$	598.4
Year ended December 31, 2023
Revenues
Crude oil and natural gas liquids sales	$	2,829.1	$	165.7	$	11.0	$	3,005.8
Natural gas sales	92.7		278.2		—		370.9
Sales of purchased natural gas	—		72.2		—		72.2
Total oil and natural gas revenues	2,921.8		516.1		11.0		3,448.9
Other operating revenues	6.5		1.4		—		7.9
Total revenues	2,928.3		517.5		11.0		3,456.8
Costs and expenses
Lease operating expenses	630.7		151.8		1.9		784.4
Severance and ad valorem taxes	41.4		1.4		—		42.8
Transportation, gathering and processing	157.0		76.0		—		233.0
Costs of purchased natural gas	—		51.7		—		51.7
Exploration costs charged to expense	166.5		0.4		57.0		223.9
Undeveloped lease amortization	8.1		0.1		2.7		10.9
Depreciation, depletion and amortization	706.0		142.2		2.3		850.5
Accretion of asset retirement obligations	37.8		7.8		0.4		46.0
Selling and general expenses	11.8		16.5		9.4		37.7
Other expenses	31.2		16.8		8.9		56.9
Total costs and expenses	1,790.5		464.7		82.6		2,337.8
Results of operations before taxes	1,137.8		52.8		(71.6)		1,119.0
Income tax expense (benefit)	232.7		11.2		(6.1)		237.8
Results of operations	$	905.1	$	41.6	$	(65.5)	$	881.2

1   Results exclude corporate overhead, interest and discontinued operations. Results include noncontrolling interest in MP GOM.

(Millions of dollars)	United States		Canada		Other		Total
Year ended December 31, 2022
Revenues
Crude oil and natural gas liquids sales	$	3,210.3	$	267.5	$	22.8	$	3,500.6
Natural gas sales	225.3		312.6		—		537.9
Sales of purchased natural gas	0.2		181.5		—		181.7
Total oil and natural gas revenues	3,435.8		761.6		22.8		4,220.2
Other operating revenues	25.4		1.3		—		26.7
Total revenues	3,461.2		762.9		22.8		4,246.9
Costs and expenses
Lease operating expenses	522.7		155.1		1.5		679.3
Severance and ad valorem taxes	55.7		1.3		—		57.0
Transportation, gathering and processing	142.2		70.5		—		212.7
Costs of purchased natural gas	0.2		171.8		—		172.0
Exploration costs charged to expense	38.8		0.8		80.2		119.8
Undeveloped lease amortization	8.7		0.2		4.4		13.3
Depreciation, depletion and amortization	617.0		141.5		5.4		763.9
Accretion of asset retirement obligations	36.5		9.6		0.1		46.2
Selling and general expenses	20.4		21.9		2.2		44.5
Other expenses	126.3		12.4		3.1		141.8
Total costs and expenses	1,568.5		585.1		96.9		2,250.5
Results of operations before taxes	1,892.7		177.8		(74.1)		1,996.4
Income tax expense (benefit)	370.8		43.6		2.9		417.3
Results of operations	$	1,521.9	$	134.2	$	(77.0)	$	1,579.1

1   Results exclude corporate overhead, interest and discontinued operations. Results include noncontrolling interest in MP GOM.

schedule of Standardized Measure of Discounted Future Net Cash Flow Relating to Proved Oil and Gas Reserves

(Millions of dollars)	United States		Canada		Other		Total
December 31, 2024
Future cash inflows	$	18,118.1	$	6,304.4	$	1,012.9	$	25,435.4
Future development costs	(2,024.9)		(825.9)		(252.5)		(3,103.3)
Future production costs	(7,645.7)		(4,026.5)		(341.7)		(12,013.9)
Future income taxes	(893.5)		(251.2)		(203.4)		(1,348.1)
Future net cash flows	7,554.0		1,200.8		215.3		8,970.1
10% annual discount for estimated timing of cash flows	(2,887.3)		(486.0)		(200.9)		(3,574.2)
Standardized measure of discounted future net cash flows	$	4,666.7	$	714.8	$	14.4	$	5,395.9
December 31, 2023
Future cash inflows	$	18,927.6	$	8,012.7	$	1,004.2	$	27,944.5
Future development costs	(1,685.3)		(769.6)		(304.3)		(2,759.2)
Future production costs	(7,856.2)		(4,223.6)		(288.7)		(12,368.5)
Future income taxes	(1,057.5)		(634.6)		(121.3)		(1,813.4)
Future net cash flows	8,328.6		2,384.9		289.9		11,003.4
10% annual discount for estimated timing of cash flows	(2,840.6)		(1,056.9)		(252.5)		(4,150.0)
Standardized measure of discounted future net cash flows	$	5,488.0	$	1,328.0	$	37.4	$	6,853.4
December 31, 2022
Future cash inflows	$	27,277.9	$	12,360.2	$	59.2	$	39,697.3
Future development costs	(1,594.5)		(642.4)		(1.4)		(2,238.3)
Future production costs	(8,297.4)		(4,199.0)		(12.1)		(12,508.5)
Future income taxes	(2,606.8)		(1,788.7)		(5.4)		(4,400.9)
Future net cash flows	14,779.2		5,730.1		40.3		20,549.6
10% annual discount for estimated timing of cash flows	(5,709.8)		(3,015.6)		(11.0)		(8,736.4)
Standardized measure of discounted future net cash flows	$	9,069.4	$	2,714.5	$	29.3	$	11,813.2

1 Includes noncontrolling interest in MP GOM.

2 Totals within the table may not add as a result of rounding.

Schedule of Principal Sources of Change in the Standardized Measure of Discounted Future Net Cash Flows

The following are the principal sources of change in the standardized measure of discounted future net cash flows for the years shown.

(Millions of dollars)	2024		2023		2022
Net changes in prices and production costs 2	$	(1,116.5)	$	(5,845.6)	$	4,812.2
Net changes in development costs	(152.7)		(78.8)		(531.1)
Sales and transfers of oil and natural gas produced, net of production costs	(1,824.8)		(2,264.8)		(2,917.4)
Net change due to extensions and discoveries	583.7		770.4		1,223.5
Net change due to purchases and sales of proved reserves	—		(96.1)		102.1
Development costs incurred	668.6		703.7		769.3
Accretion of discount	773.5		1,393.3		802.6
Revisions of previous quantity estimates	(688.1)		(771.5)		1,652.9
Net change in income taxes	298.8		1,229.6		(1,399.9)
Net (decrease) increase	(1,457.5)		(4,959.8)		4,514.2
Standardized measure at January 1	6,853.4		11,813.2		7,299.0
Standardized measure at December 31	$	5,395.9	$	6,853.4	$	11,813.2

1  Includes noncontrolling interest in MP GOM.

2 The average prices used for 2024 were $75.48 per BBL for NYMEX crude oil (WTI) and $2.13 per MCF for natural gas (Henry Hub). The average prices used for 2023 were $78.22 per BBL for NYMEX crude oil (WTI) and $2.64 per MCF for natural gas (Henry Hub). The average prices used for 2022 were $93.67 per BBL for NYMEX crude oil (WTI) and $6.36 per MCF for natural gas (Henry Hub).

Schedule of Capitalized Costs Relating to Oil and Gas Producing Activities

(Millions of dollars)	United States		Canada		Other		Total
December 31, 2024
Unproved oil and natural gas properties 1	$	247.3	$	6.6	$	29.1	$	283.0
Proved oil and natural gas properties	16,598.8		4,498.1		246.7		21,343.6
Gross capitalized costs	16,846.1		4,504.7		275.8		21,626.6
Accumulated depreciation, depletion and amortization
Unproved oil and natural gas properties	(111.0)		—		(20.7)		(131.7)
Proved oil and natural gas properties	(10,326.2)		(3,116.2)		(44.2)		(13,486.6)
Net capitalized costs	$	6,408.9	$	1,388.5	$	210.9	$	8,008.3
December 31, 2023
Unproved oil and natural gas properties 1	$	337.3	$	13.1	$	49.7	$	400.1
Proved oil and natural gas properties	15,868.4		4,716.0		153.7		20,738.1
Gross capitalized costs	16,205.7		4,729.1		203.4		21,138.2
Accumulated depreciation, depletion and amortization
Unproved oil and natural gas properties	(105.3)		—		(17.4)		(122.7)
Proved oil and natural gas properties	(9,552.9)		(3,233.7)		(42.8)		(12,829.4)
Net capitalized costs	$	6,547.5	$	1,495.4	$	143.2	$	8,186.1

1 Unproved oil and natural gas properties above include costs and associated accumulated amortization of properties that do not have proved reserves; these costs include mineral interests, uncompleted exploratory wells and exploratory wells capitalized pending further evaluation.