Consolidated Balance Sheets - USD ($) $ in Millions	Jun. 30, 2025	Dec. 31, 2024
Current assets
Cash and cash equivalents	$ 108	$ 270
Restricted cash and cash equivalents	36	109
Trade and other receivables, net of current expected credit losses	408	544
Trade receivables, net of current expected credit losses—related party	0	1
Advances to affiliates	191	101
Inventory	153	151
Current derivative assets	28	84
Prepaid expenses	65	42
Other current assets, net	28	23
Total current assets	1,017	1,325
Property, plant and equipment, net of accumulated depreciation	15,540	15,760
Operating lease assets	78	79
Derivative assets	103	98
Other non-current assets, net	$ 192	$ 191
Accounts Receivable, after Allowance for Credit Loss, Current, Related and Nonrelated Party Status [Extensible Enumeration]	Related Party [Member]	Related Party [Member]
Other Receivable, after Allowance for Credit Loss, Current, Related and Nonrelated Party Status [Extensible Enumeration]	Affiliate [Member]	Affiliate [Member]
Total assets	$ 16,930	$ 17,453
Current liabilities
Accounts payable	71	62
Accrued liabilities	709	906
Current debt, net of unamortized discount and debt issuance costs	609	351
Deferred revenue	111	123
Current derivative liabilities	142	250
Other current liabilities	13	20
Total current liabilities	1,655	1,712
Long-term debt, net of unamortized discount and debt issuance costs	14,213	14,761
Derivative liabilities	1,136	1,213
Other non-current liabilities	266	276
Total liabilities	17,270	17,962
Partners’ deficit
Common unitholders’ interest (484.0 million units issued and outstanding at both June 30, 2025 and December 31, 2024)	2,197	1,821
General partner’s interest (2% interest with 9.9 million units issued and outstanding at both June 30, 2025 and December 31, 2024)	(2,537)	(2,330)
Total partners’ deficit	(340)	(509)
Total liabilities and partners’ deficit	16,930	17,453
Nonrelated Party [Member]
Current assets
Trade and other receivables, net of current expected credit losses	261	380
Other current assets, net	27	23
Current liabilities
Accrued liabilities	667	838
Deferred revenue	110	120
Other non-current liabilities	243	252
Affiliate [Member]
Current assets
Trade and other receivables, net of current expected credit losses	147	164
Other current assets, net	1	0
Current liabilities
Accrued liabilities	42	63
Deferred revenue	1	3
Other non-current liabilities	23	24
Related Party [Member]
Current liabilities
Accrued liabilities	$ 0	$ 5