RETIREMENT BENEFITS PLANS - Fair Value of Pension Plan Assets (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Defined Benefit Plan Disclosure [Line Items]
United States pension plans percentage of worldwide pension assets	64.00%
United Kingdom pension plans percentage of worldwide pension assets	25.00%
United States pension plans' target allocation of United States equities	19.00%
United States pension plans' target allocation of non-United States equities	13.00%
United States pension plans' target allocation of real estate	3.00%
United State pension plans' target allocation of debt securities	54.00%
United States pension plans' target allocation of other, including private equity, private debt, and cash equivalents	11.00%
United Kingdom pension plans' target allocation of equities	32.00%
Total pension plan assets	$ 4,121	$ 5,919
Pending purchases and sales of plan assets, and interest receivable	(69)	(99)
Unfunded commitments	180	192
Quoted prices in active markets for identical assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Total pension plan assets	834	806
Other observable inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Total pension plan assets	1,694	2,827
Unobservable inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Total pension plan assets	559	535
Non-United States equity and global equities | Fair Value, Inputs, Level 1, 2 and 3
Defined Benefit Plan Disclosure [Line Items]
Total pension plan assets	173	586
Non-United States equity and global equities | Quoted prices in active markets for identical assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Total pension plan assets	0	0
Non-United States equity and global equities | Other observable inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Total pension plan assets	173	586
Non-United States equity and global equities | Unobservable inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Total pension plan assets	0	0
United States equity | Fair Value, Inputs, Level 1, 2 and 3
Defined Benefit Plan Disclosure [Line Items]
Total pension plan assets	54	240
United States equity | Quoted prices in active markets for identical assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Total pension plan assets	0	0
United States equity | Other observable inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Total pension plan assets	54	240
United States equity | Unobservable inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Total pension plan assets	0	0
Fixed income | Fair Value, Inputs, Level 1, 2 and 3
Defined Benefit Plan Disclosure [Line Items]
Total pension plan assets	620	624
Fixed income | Quoted prices in active markets for identical assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Total pension plan assets	0	0
Fixed income | Other observable inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Total pension plan assets	620	624
Fixed income | Unobservable inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Total pension plan assets	0	0
Fixed income securities | Fair Value, Inputs, Level 1, 2 and 3
Defined Benefit Plan Disclosure [Line Items]
Total pension plan assets	744	1,074
Fixed income securities | Quoted prices in active markets for identical assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Total pension plan assets	0	0
Fixed income securities | Other observable inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Total pension plan assets	744	1,074
Fixed income securities | Unobservable inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Total pension plan assets	0	0
United States treasuries | Fair Value, Inputs, Level 1, 2 and 3
Defined Benefit Plan Disclosure [Line Items]
Total pension plan assets	660	417
United States treasuries | Quoted prices in active markets for identical assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Total pension plan assets	660	417
United States treasuries | Other observable inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Total pension plan assets	0	0
United States treasuries | Unobservable inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Total pension plan assets	0	0
Bank loans | Fair Value, Inputs, Level 1, 2 and 3
Defined Benefit Plan Disclosure [Line Items]
Total pension plan assets		117
Bank loans | Quoted prices in active markets for identical assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Total pension plan assets		0
Bank loans | Other observable inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Total pension plan assets		117
Bank loans | Unobservable inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Total pension plan assets		0
Real estate | Fair Value, Inputs, Level 1, 2 and 3
Defined Benefit Plan Disclosure [Line Items]
Total pension plan assets	295	471
Real estate | Quoted prices in active markets for identical assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Total pension plan assets	76	237
Real estate | Other observable inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Total pension plan assets	20	18
Real estate | Unobservable inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Total pension plan assets	199	216
Equity securities
Defined Benefit Plan Disclosure [Line Items]
Total pension plan assets		2
Equity securities | Quoted prices in active markets for identical assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Total pension plan assets		2
Equity securities | Other observable inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Total pension plan assets		0
Equity securities | Unobservable inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Total pension plan assets		0
Cash equivalents | Fair Value, Inputs, Level 1, 2 and 3
Defined Benefit Plan Disclosure [Line Items]
Total pension plan assets	77	150
Cash equivalents | Quoted prices in active markets for identical assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Total pension plan assets	21	28
Cash equivalents | Other observable inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Total pension plan assets	56	122
Cash equivalents | Unobservable inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Total pension plan assets	0	0
Exchange traded funds | Fair Value, Inputs, Level 1, 2 and 3
Defined Benefit Plan Disclosure [Line Items]
Total pension plan assets	77	122
Exchange traded funds | Quoted prices in active markets for identical assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Total pension plan assets	77	122
Exchange traded funds | Other observable inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Total pension plan assets	0	0
Exchange traded funds | Unobservable inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Total pension plan assets	0	0
Other | Fair Value, Inputs, Level 1, 2 and 3
Defined Benefit Plan Disclosure [Line Items]
Total pension plan assets	387	365
Other | Quoted prices in active markets for identical assets (Level 1)
Defined Benefit Plan Disclosure [Line Items]
Total pension plan assets	0	0
Other | Other observable inputs (Level 2)
Defined Benefit Plan Disclosure [Line Items]
Total pension plan assets	27	46
Other | Unobservable inputs (Level 3)
Defined Benefit Plan Disclosure [Line Items]
Total pension plan assets	360	319
Common collective and other trusts measured at net asset value | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure [Line Items]
Total pension plan assets	1,100	1,841
Money market funds measured at net asset value | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Disclosure [Line Items]
Total pension plan assets	$ 3	$ 9