EMPLOYEE BENEFIT PLANS - Fair Value of Pension Plan Assets (Details) - Pension Plans - USD ($) $ in Millions	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 1,530	$ 1,481	$ 1,642
Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	18	0
Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1,097	1,126
Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	415	355	$ 437
Equity funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	68	166
Equity funds \| Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Equity funds \| Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	68	166
Equity funds \| Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fixed income funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	374	57
Fixed income funds \| Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fixed income funds \| Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	374	57
Fixed income funds \| Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fixed income securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	646	879
Fixed income securities \| Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fixed income securities \| Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	646	879
Fixed income securities \| Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Private equity fund
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	30	34
Private equity fund \| Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Private equity fund \| Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Private equity fund \| Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	30	34
Hedge fund
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	65	58
Hedge fund \| Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Hedge fund \| Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Hedge fund \| Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	65	58
Bulk annuity contracts
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	320	263
Bulk annuity contracts \| Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Bulk annuity contracts \| Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Bulk annuity contracts \| Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	320	263
Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	27	24
Cash and cash equivalents \| Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	18	0
Cash and cash equivalents \| Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	9	24
Cash and cash equivalents \| Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 0	$ 0