PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS - Schedule of Fair Value of Plan Assets by Category (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Significant unobservable inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 20	$ 32
Fair Value, Measurements, Recurring | Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	2,102	3,569
Fair Value, Measurements, Recurring | Pension Benefits | Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	159	162
Fair Value, Measurements, Recurring | Pension Benefits | Government and government agency securities, U.S. securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	82	264
Fair Value, Measurements, Recurring | Pension Benefits | Government and government agency securities, International securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	42	92
Fair Value, Measurements, Recurring | Pension Benefits | Corporate bonds and notes, U.S. companies
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1,194	1,585
Fair Value, Measurements, Recurring | Pension Benefits | Corporate bonds and notes, international companies
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	187	286
Fair Value, Measurements, Recurring | Pension Benefits | Equity securities, U.S. companies
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Equity securities, International companies
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	11	36
Fair Value, Measurements, Recurring | Pension Benefits | Mutual funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	73	103
Fair Value, Measurements, Recurring | Pension Benefits | Investments at net asset value, U.S. equity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	166	308
Fair Value, Measurements, Recurring | Pension Benefits | Investments at net asset value, International equity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	123	177
Fair Value, Measurements, Recurring | Pension Benefits | Investments at net asset value, Short-term investment fund
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	43
Fair Value, Measurements, Recurring | Pension Benefits | Investments at net asset value, International debt securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	178
Fair Value, Measurements, Recurring | Pension Benefits | Investments at net asset value, International equity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	62
Fair Value, Measurements, Recurring | Pension Benefits | Investments at net asset value, Real estate
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	55
Fair Value, Measurements, Recurring | Pension Benefits | Limited partnerships, U.S. private equity investments
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	17	26
Fair Value, Measurements, Recurring | Pension Benefits | Limited partnerships, Diversified fund of funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1	3
Fair Value, Measurements, Recurring | Pension Benefits | Limited partnerships, Emerging growth
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	2	3
Fair Value, Measurements, Recurring | Pension Benefits | All other investments
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	45	186
Fair Value, Measurements, Recurring | Pension Benefits | Quoted prices (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	11	36
Fair Value, Measurements, Recurring | Pension Benefits | Quoted prices (Level 1) | Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Quoted prices (Level 1) | Government and government agency securities, U.S. securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Quoted prices (Level 1) | Government and government agency securities, International securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Quoted prices (Level 1) | Corporate bonds and notes, U.S. companies
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Quoted prices (Level 1) | Corporate bonds and notes, international companies
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Quoted prices (Level 1) | Equity securities, U.S. companies
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Quoted prices (Level 1) | Equity securities, International companies
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	11	36
Fair Value, Measurements, Recurring | Pension Benefits | Quoted prices (Level 1) | Mutual funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Quoted prices (Level 1) | Investments at net asset value, U.S. equity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Quoted prices (Level 1) | Investments at net asset value, International equity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Quoted prices (Level 1) | Investments at net asset value, Short-term investment fund
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Quoted prices (Level 1) | Investments at net asset value, International debt securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Quoted prices (Level 1) | Investments at net asset value, International equity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Quoted prices (Level 1) | Investments at net asset value, Real estate
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Quoted prices (Level 1) | Limited partnerships, U.S. private equity investments
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Quoted prices (Level 1) | Limited partnerships, Diversified fund of funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Quoted prices (Level 1) | Limited partnerships, Emerging growth
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Quoted prices (Level 1) | All other investments
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Other significant observable inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1,782	2,521
Fair Value, Measurements, Recurring | Pension Benefits | Other significant observable inputs (Level 2) | Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	159	162
Fair Value, Measurements, Recurring | Pension Benefits | Other significant observable inputs (Level 2) | Government and government agency securities, U.S. securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	82	264
Fair Value, Measurements, Recurring | Pension Benefits | Other significant observable inputs (Level 2) | Government and government agency securities, International securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	42	92
Fair Value, Measurements, Recurring | Pension Benefits | Other significant observable inputs (Level 2) | Corporate bonds and notes, U.S. companies
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1,194	1,585
Fair Value, Measurements, Recurring | Pension Benefits | Other significant observable inputs (Level 2) | Corporate bonds and notes, international companies
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	187	286
Fair Value, Measurements, Recurring | Pension Benefits | Other significant observable inputs (Level 2) | Equity securities, U.S. companies
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Other significant observable inputs (Level 2) | Equity securities, International companies
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Other significant observable inputs (Level 2) | Mutual funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	73	103
Fair Value, Measurements, Recurring | Pension Benefits | Other significant observable inputs (Level 2) | Investments at net asset value, U.S. equity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Other significant observable inputs (Level 2) | Investments at net asset value, International equity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Other significant observable inputs (Level 2) | Investments at net asset value, Short-term investment fund
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Other significant observable inputs (Level 2) | Investments at net asset value, International debt securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Other significant observable inputs (Level 2) | Investments at net asset value, International equity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Other significant observable inputs (Level 2) | Investments at net asset value, Real estate
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Other significant observable inputs (Level 2) | Limited partnerships, U.S. private equity investments
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Other significant observable inputs (Level 2) | Limited partnerships, Diversified fund of funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Other significant observable inputs (Level 2) | Limited partnerships, Emerging growth
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Other significant observable inputs (Level 2) | All other investments
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	45	29
Fair Value, Measurements, Recurring | Pension Benefits | Significant unobservable inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	20	32
Fair Value, Measurements, Recurring | Pension Benefits | Significant unobservable inputs (Level 3) | Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Significant unobservable inputs (Level 3) | Government and government agency securities, U.S. securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Significant unobservable inputs (Level 3) | Government and government agency securities, International securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Significant unobservable inputs (Level 3) | Corporate bonds and notes, U.S. companies
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Significant unobservable inputs (Level 3) | Corporate bonds and notes, international companies
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Significant unobservable inputs (Level 3) | Equity securities, U.S. companies
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Significant unobservable inputs (Level 3) | Equity securities, International companies
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Significant unobservable inputs (Level 3) | Mutual funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Significant unobservable inputs (Level 3) | Investments at net asset value, U.S. equity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Significant unobservable inputs (Level 3) | Investments at net asset value, International equity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Significant unobservable inputs (Level 3) | Investments at net asset value, Short-term investment fund
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Significant unobservable inputs (Level 3) | Investments at net asset value, International debt securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Significant unobservable inputs (Level 3) | Investments at net asset value, International equity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Significant unobservable inputs (Level 3) | Investments at net asset value, Real estate
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Significant unobservable inputs (Level 3) | Limited partnerships, U.S. private equity investments
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	17	26
Fair Value, Measurements, Recurring | Pension Benefits | Significant unobservable inputs (Level 3) | Limited partnerships, Diversified fund of funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1	3
Fair Value, Measurements, Recurring | Pension Benefits | Significant unobservable inputs (Level 3) | Limited partnerships, Emerging growth
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	2	3
Fair Value, Measurements, Recurring | Pension Benefits | Significant unobservable inputs (Level 3) | All other investments
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Net Asset Value
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	289	980
Fair Value, Measurements, Recurring | Pension Benefits | Net Asset Value | Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Net Asset Value | Government and government agency securities, U.S. securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Net Asset Value | Government and government agency securities, International securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Net Asset Value | Corporate bonds and notes, U.S. companies
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Net Asset Value | Corporate bonds and notes, international companies
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Net Asset Value | Equity securities, U.S. companies
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Net Asset Value | Equity securities, International companies
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Net Asset Value | Mutual funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Net Asset Value | Investments at net asset value, U.S. equity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	166	308
Fair Value, Measurements, Recurring | Pension Benefits | Net Asset Value | Investments at net asset value, International equity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	123	177
Fair Value, Measurements, Recurring | Pension Benefits | Net Asset Value | Investments at net asset value, Short-term investment fund
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	43
Fair Value, Measurements, Recurring | Pension Benefits | Net Asset Value | Investments at net asset value, International debt securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	178
Fair Value, Measurements, Recurring | Pension Benefits | Net Asset Value | Investments at net asset value, International equity securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	62
Fair Value, Measurements, Recurring | Pension Benefits | Net Asset Value | Investments at net asset value, Real estate
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	55
Fair Value, Measurements, Recurring | Pension Benefits | Net Asset Value | Limited partnerships, U.S. private equity investments
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Net Asset Value | Limited partnerships, Diversified fund of funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Net Asset Value | Limited partnerships, Emerging growth
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fair Value, Measurements, Recurring | Pension Benefits | Net Asset Value | All other investments
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 0	$ 157