RETIREMENT AND DEFERRED COMPENSATION PLANS - Fair Values of Plan Assets for Each Major Asset Category Based on Nature and Significant Concentration of Risks in Plan Assets (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 137	$ 254
Equity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	20	38
Overseas quoted equities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	20	38
Debt securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	115	200
U.K. government bonds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	71	138
U.K. corporate bonds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	44	62
Cash
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 2	$ 16