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Description of Business (Details) $ in Millions					1 Months Ended	3 Months Ended	6 Months Ended
Description of Business (Details) $ in Millions	Jul. 01, 2026 USD ($) shares	Apr. 10, 2026 shares	Apr. 01, 2026 USD ($) shares	Apr. 29, 2025 USD ($) shares	Aug. 14, 2026 shares	Jun. 30, 2026 USD ($) state province shares	Jul. 15, 2026 shares	Jun. 30, 2026 USD ($) state province shares	Jun. 17, 2026	Dec. 31, 2025
Capital Unit [Line Items]
Annual revenue target within the next ten years						$ 50,000		$ 50,000
Aggregate acquisition consideration			$ 2,222
Secured Debt \| Senior Secured Notes Due 2031
Capital Unit [Line Items]
Interest rate									6.50%
Secured Debt \| Senior Secured Notes Due 2034
Capital Unit [Line Items]
Interest rate									6.875%	6.875%
Series C Preferred Stock
Capital Unit [Line Items]
Shares issued in transaction (in shares) \| shares			200,000
Proceeds from issuance of preferred shares			$ 2,000
Issuance of Series C Preferred Stock, net of issuance costs (in shares) \| shares						200,000		200,000
Issuance of Series C Preferred Stock, net of issuance costs						$ 1,993		$ 1,993
Subsequent Event \| Line of Credit \| Secured Debt \| Incremental Term Loan Facility
Capital Unit [Line Items]
Gross proceeds	$ 3,000
Subsequent Event \| Series C Preferred Stock
Capital Unit [Line Items]
Shares issued in transaction (in shares) \| shares	100,000				100,000		300,000
Proceeds from issuance of preferred shares	$ 1,000
UNITED STATES
Capital Unit [Line Items]
Number of states in which entity operates \| state						50		50
CANADA
Capital Unit [Line Items]
Number of provinces in which entity operates \| province						7		7
Beacon Roofing Supply, Inc.
Capital Unit [Line Items]
Aggregate acquisition consideration				$ 10,644
Business combination, consideration transferred, number of shares issued (in shares) \| shares				62,200,000
Aggregate acquisition consideration				$ 10,788
Kodiak Building Partners
Capital Unit [Line Items]
Aggregate acquisition consideration			$ 2,220
Business combination, consideration transferred, number of shares issued (in shares) \| shares		13,300,000	13,300,000
Aggregate acquisition consideration			$ 2,238
Kodiak Building Partners \| Series C Preferred Stock
Capital Unit [Line Items]
Shares issued in transaction (in shares) \| shares			200,000
Proceeds from issuance of preferred shares			$ 2,000
TopBuild Corp. Acquisition \| Subsequent Event
Capital Unit [Line Items]
Business combination, consideration transferred, number of shares issued (in shares) \| shares	312,000,000.0
Aggregate acquisition consideration	$ 15,000
TopBuild Corp. Acquisition \| Subsequent Event \| Secured Debt \| Senior Secured Notes Due 2031
Capital Unit [Line Items]
Interest rate	6.50%
TopBuild Corp. Acquisition \| Subsequent Event \| Secured Debt \| Senior Secured Notes Due 2034
Capital Unit [Line Items]
Interest rate	6.875%
TopBuild Corp. Acquisition \| Subsequent Event \| Line of Credit \| Secured Debt
Capital Unit [Line Items]
Released from escrow	$ 3,000
TopBuild Corp. Acquisition \| Subsequent Event \| Series C Preferred Stock
Capital Unit [Line Items]
Issuance of Series C Preferred Stock, net of issuance costs (in shares) \| shares	100,000
Issuance of Series C Preferred Stock, net of issuance costs	$ 1,000