Net Income per Common Unit (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended	6 Months Ended
Jun. 30, 2026	Mar. 31, 2026	Jun. 30, 2025	Mar. 31, 2025	Jun. 30, 2026	Jun. 30, 2025
Earnings Per Share Basic [Line Items]
NET INCOME	$ 283	$ 644	$ 86	$ 207	$ 927	$ 293
Incentive distribution rights	74		40		145	79
Distributions on unvested phantom unit awards	2		1		4	3
Less: Class D unitholder's interest in net income	29		0			0
Net income allocable to Class D unitholder's interest in net income	$ 49		$ 0		$ 198	$ 0
Net income per common unit:
Basic	$ 0.94		$ 0.33		$ 3.81	$ 1.55
Diluted	$ 0.94		$ 0.33		$ 3.79	$ 1.54
Common Units [Member]
Earnings Per Share Basic [Line Items]
Common unitholders’ interest in net income	$ 129		$ 45		$ 521	$ 211
Weighted average common units outstanding:
Basic	136,895,211		136,432,676		136,892,005	136,350,550
Dilutive effect of unvested phantom unit awards	839,922		713,343		752,965	690,396
Diluted	137,735,133		137,146,019		137,644,970	137,040,946

Net income allocable to Class D unitholder's interest during the period.

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