PENSION BENEFITS (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Defined Benefit Plan Disclosure [Line Items]
Payments for Repurchase of Common Stock			$ 1,985,000,000	$ 2,650,000,000
United States, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Payments for Repurchase of Common Stock		$ 100,000,000	100,000,000	200,000,000
Service cost	$ 24,000,000	21,000,000	49,000,000	42,000,000
Interest cost	115,000,000	154,000,000	230,000,000	307,000,000
Expected return on plan assets	(283,000,000)	(279,000,000)	(567,000,000)	(558,000,000)
Amortization of prior service (credit)	(10,000,000)	(11,000,000)	(21,000,000)	(22,000,000)
Net periodic benefit (income)	(154,000,000)	(115,000,000)	(309,000,000)	(231,000,000)
Non-US, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	5,000,000	6,000,000	11,000,000	12,000,000
Interest cost	26,000,000	36,000,000	52,000,000	72,000,000
Expected return on plan assets	(81,000,000)	(83,000,000)	(165,000,000)	(167,000,000)
Amortization of prior service (credit)	0	0	0	0
Net periodic benefit (income)	$ (50,000,000)	$ (41,000,000)	$ (102,000,000)	$ (83,000,000)