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Debt Obligations Narrative (Details) - USD ($) $ in Millions		2 Months Ended	3 Months Ended		9 Months Ended
	Apr. 30, 2024	Jun. 30, 2024	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Jan. 31, 2024
Debt Instrument [Line Items]
Banking Regulation, Supplementary Leverage Ratio, Actual			0.0321		0.0321
Repayments of Senior Debt					$ 749	$ 0
Loss on extinguishment of debt			$ 0	$ 0	11	0
Cash paid for acquisitions	$ 637
USAC [Member]
Debt Instrument [Line Items]
Loss on extinguishment of debt					5
USAC [Member] \| goverment securities transferred in connection with the leagal defeasance of senior notes due 2026
Debt Instrument [Line Items]
Repayments of Senior Debt					749	$ 0
Nustar
Debt Instrument [Line Items]
Long-term Line of Credit			0		0
Repayments of Senior Debt		$ 403	403
Repayments of Lines of Credit		$ 455	455
Credit Facility due December 2027 [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Current Borrowing Capacity			5,000		5,000
Long-term Line of Credit			1,630		1,630
Letters of Credit Outstanding, Amount			31		31
Line of Credit Facility, Remaining Borrowing Capacity			3,340		3,340
Commercial Paper			$ 1,580		$ 1,580
Credit Facility due December 2027 [Member] \| Sunoco LP [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Interest Rate at Period End			5.04%		5.04%
Credit Facility due December 2027 [Member] \| Accordion feature [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity			$ 7,000		$ 7,000
Sunoco LP Revolving Credit Facility due April 2027 [Member] \| Sunoco LP [Member]
Debt Instrument [Line Items]
Long-term Line of Credit			50		50
Letters of Credit Outstanding, Amount			$ 28		$ 28
Line of Credit Facility, Interest Rate at Period End			7.30%		7.30%
Line of Credit Facility, Remaining Borrowing Capacity			$ 1,420		$ 1,420
USAC Credit Facility, due 2026 [Member] \| USA Compression Partners, LP [Member]
Debt Instrument [Line Items]
Long-term Line of Credit			803		803
Letters of Credit Outstanding, Amount			$ 1		$ 1
Line of Credit Facility, Interest Rate at Period End			7.50%		7.50%
Line of Credit Facility, Maximum Borrowing Capacity			$ 796		$ 796
Line of Credit Facility, Remaining Borrowing Capacity			642		642
4.25% Senior Notes due April 2024
Debt Instrument [Line Items]
Senior Notes	$ 500
Debt Instrument, Interest Rate, Stated Percentage	4.25%
4.55% Senior Notes due April 2024
Debt Instrument [Line Items]
Senior Notes	$ 750
Debt Instrument, Interest Rate, Stated Percentage	4.50%
8.00% Senior Notes due April 2029
Debt Instrument [Line Items]
Senior Notes	$ 450
Debt Instrument, Interest Rate, Stated Percentage	8.00%
3.90% Senior Notes due April2024 \| Bakken Pipeline
Debt Instrument [Line Items]
Senior Notes	$ 1,000
Debt Instrument, Interest Rate, Stated Percentage	3.90%
5.875% Senior Notes due January 2024
Debt Instrument [Line Items]
Senior Notes			$ 1,150		$ 1,150
Debt Instrument, Interest Rate, Stated Percentage			5.875%		5.875%
4.90% Senior Notes due February 2024
Debt Instrument [Line Items]
Senior Notes			$ 350		$ 350
Debt Instrument, Interest Rate, Stated Percentage			4.90%		4.90%
7.60% Senior Notes due February 2024
Debt Instrument [Line Items]
Senior Notes			$ 82		$ 82
Debt Instrument, Interest Rate, Stated Percentage			7.60%		7.60%
Senior Notes due 2029 \| Sunoco LP [Member]
Debt Instrument [Line Items]
Senior Notes	$ 750
Debt Instrument, Interest Rate, Stated Percentage	7.00%
Senior Notes due 2029 \| USAC [Member]
Debt Instrument [Line Items]
Senior Notes			$ 1,000		$ 1,000
Debt Instrument, Interest Rate, Stated Percentage			7.125%		7.125%
Senior Notes due 2026 \| USAC [Member]
Debt Instrument [Line Items]
Senior Notes			$ 725		$ 725
Debt Instrument, Interest Rate, Stated Percentage			6.875%		6.875%
Senior Notes due 2032 \| Sunoco LP [Member]
Debt Instrument [Line Items]
Senior Notes	$ 750
Debt Instrument, Interest Rate, Stated Percentage	7.25%
Senior Notes due 2034
Debt Instrument [Line Items]
Senior Notes							$ 1,250
Debt Instrument, Interest Rate, Stated Percentage							5.55%
Senior Notes due 2054
Debt Instrument [Line Items]
Senior Notes							$ 1,750
Debt Instrument, Interest Rate, Stated Percentage							5.95%
Senior Notes due December 2024 \| Transwestern
Debt Instrument [Line Items]
Senior Notes			$ 175		$ 175
Debt Instrument, Interest Rate, Stated Percentage			5.66%		5.66%
Junior Subordinated Notes due 2054
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage							8.00%
Junior Subordinated Notes							$ 800
3.9% Senior Notes due May 2024
Debt Instrument [Line Items]
Senior Notes	$ 600
Debt Instrument, Interest Rate, Stated Percentage	3.90%
5.25% Senior Notes Due 2029
Debt Instrument [Line Items]
Senior Notes			$ 1,000		$ 1,000
Debt Instrument, Interest Rate, Stated Percentage			5.25%		5.25%
5.60% Senior Notes due 2034
Debt Instrument [Line Items]
Senior Notes			$ 1,250		$ 1,250
Debt Instrument, Interest Rate, Stated Percentage			5.60%		5.60%
6.05% Senior Notes due 2054
Debt Instrument [Line Items]
Senior Notes			$ 1,250		$ 1,250
Debt Instrument, Interest Rate, Stated Percentage			6.05%		6.05%
7.125% Fixed-to-Fixed Reset Rate Junior Subordinated Notes Due 2054
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage			7.125%		7.125%
Junior Subordinated Notes			$ 400		$ 400
Series 2011 GoZone Bonds \| Sunoco LP [Member]
Debt Instrument [Line Items]
Senior Notes			$ 75		$ 75