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Equity Transactions - Additional Information (Detail) - USD ($)									1 Months Ended	6 Months Ended
	May 30, 2025	May 05, 2025	Feb. 12, 2025	Jan. 13, 2025	Jun. 24, 2024	May 31, 2024	Mar. 11, 2024	Feb. 08, 2024	May 31, 2025	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Class of Stock [Line Items]
Costs incurred to repurchase shares were charged to equity										$ 2,000,000	$ 1,500,000
Class A Shares
Class of Stock [Line Items]
Proceeds from Issuance of public equity offering										0
Increase (decrease) common unitholders										635,000,000		$ 530,700,000
Class A Shares | GIP
Class of Stock [Line Items]
Equity offering transaction	15,022,517		11,000,000			10,000,000		11,500,000
Shares issued, price per share	$ 37.25		$ 39.45			$ 34.025		$ 32.83
Net proceeds received by sponsors from public equity offering	$ 553,700,000		$ 494,700,000			$ 391,300,000		$ 377,500,000
Class A Shares | GIP | Maximum
Class of Stock [Line Items]
Underwriters’ option to purchase additional shares			1,650,000			1,500,000		1,500,000
Class A Shares | Equity Offering Transactions
Class of Stock [Line Items]
Increase (decrease) common unitholders										(44,900,000)	2,500,000
Class A Shares | Accelerated Share Repurchase Program (ASR)
Class of Stock [Line Items]
Repurchase of shares									267,532
Value of shares repurchased									$ 10,000,000
Full prepayment of cash to financial institution									$ 10,000,000
Class B Shares
Class of Stock [Line Items]
Additions to deferred tax asset										$ 306,700,000	$ 207,400,000
Repurchase of shares		5,151,842		2,572,677	2,724,052		2,816,901
Value of shares repurchased		$ 190,000,000		$ 100,000,000	$ 100,000,000		$ 100,000,000
Stock purchased price per share		$ 36.88		$ 38.87	$ 36.71		$ 35.5

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