PREFERRED SHARES REDEEMABLE NON-CONTROLLING INTEREST - Schedule of Preferred Shares (Details) - USD ($) shares in Millions, $ in Millions	Dec. 31, 2025	Apr. 30, 2025	Dec. 31, 2024	Dec. 31, 2023
Redeemable Noncontrolling Interest [Line Items]
Redeemable Noncontrolling Interest, Equity, Preferred, Carrying Amount	$ 1,398		$ 2,103	$ 2,166
BUSHI Tracking Shares
Redeemable Noncontrolling Interest [Line Items]
Number of Shares	200	25	100
Redeemable Noncontrolling Interest, Equity, Preferred, Carrying Amount	$ 1,115		$ 1,804
Class B senior preferred
Redeemable Noncontrolling Interest [Line Items]
Number of Shares	1,621,093		1,621,093
Redeemable Noncontrolling Interest, Equity, Preferred, Carrying Amount	$ 41		$ 41
Class B preferred
Redeemable Noncontrolling Interest [Line Items]
Number of Shares	2,520,571		2,520,571
Redeemable Noncontrolling Interest, Equity, Preferred, Carrying Amount	$ 63		$ 63
Class A preferred
Redeemable Noncontrolling Interest [Line Items]
Number of Shares	5,909,372		7,797,431
Redeemable Noncontrolling Interest, Equity, Preferred, Carrying Amount	$ 148		$ 195
BMHL Tracking Shares
Redeemable Noncontrolling Interest [Line Items]
Number of Shares	100		100
Redeemable Noncontrolling Interest, Equity, Preferred, Carrying Amount	$ 31		$ 0