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Business Combination, Consideration Transferred, Cash Consideration Per Acquiree Share

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Reclassification of Share-Based Awards to a Liability

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Costs incurred to effect a business combination which have been expensed during the period. Such costs could include business integration costs, systems integration and conversion costs, and severance and other employee-related costs.

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Amount of noncash expense for share-based payment arrangement.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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Fair value of share-based awards for which the grantee gained the right by satisfying service and performance requirements, to receive or retain shares or units, other instruments, or cash.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Number of additional shares authorized for issuance under share-based payment arrangement.

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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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Intrinsic value of outstanding award under share-based payment arrangement. Excludes share and unit options.

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Other Compensation Costs (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended			12 Months Ended
	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation arrangement by share-based payment award, equity instruments other than options, aggregate intrinsic value, outstanding	$ 13,800			$ 13,800
Share-based payment arrangement, noncash expense	$ 4,600				$ 7,300	$ 12,500
Contributed capital from Parent for executive compensation				3,840
Reclassification of share-based awards to a liability					(16,109)
Lease related deferrals				3,840	7,305	12,512
Payments for merger related costs				5,500
Transaction and other costs				26,986	79,000	$ 0
Brookfield Infrastructure
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Reclassification of share-based awards to a liability				16,100
Dividends payable					2,900
Lease related deferrals					24,200
Business combination, integration related costs				11,900
Payments for merger related costs				55,100
Transaction and other costs		$ 4,400		$ 2,200	$ 2,200
Brookfield Infrastructure \| All Share Consideration
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Cash consideration per acquiree share (in usd per share)				$ 83.16
Employee Stock Option \| Brookfield Infrastructure
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation arrangement by share-based payment award, number of shares available for grant	875			875	750
Share-based compensation arrangement by share-based payment award, number of additional shares authorized (in shares)			125
Share-based compensation arrangement by share-based payment award, award vesting period	5 years
Share-based compensation arrangement by share-based payment award, equity instruments other than options, vested in period, fair value	$ 16,400			$ 19,200