OPERATING CASH FLOWS AND OTHER SUPPLEMENTAL FINANCIAL INFORMATION (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Supplemental Cash Flow Elements [Abstract]
Net earnings	$ 567	$ 797	$ 985
Non-cash charges (credits) to operations:
Depreciation and amortization	568	439	431
Restructuring expense, net of cash paid	135	30	33
Stock-based compensation expense	41	42	53
Asset impairment and loss on divestiture	17	7	26
Pension settlement loss	4	27	0
Unrealized gain on equity securities	(382)	0	0
Deferred income tax provision	123	186	(57)
Net gain on insurance recovery for property damage	(9)	0	0
Tax reform adjustments to provision for income taxes	0	16	(13)
Pre-tax gain on derecognition of subsidiary	0	(177)	0
Other non-cash adjustments	(17)	0	(12)
Net earnings adjusted for non-cash charges to operations	1,047	1,367	1,446
Retirement plan contributions	(182)	(38)	(43)
Derecognition of a subsidiary	0	(172)	0
Changes in assets and liabilities, excluding effects of acquisitions, divestitures and foreign currency translation adjustments:
Receivables	27	19	(43)
Inventories	(28)	(36)	(53)
Prepayments and other current assets	23	(18)	(19)
Accounts payable and accrued expenses	186	(123)	(76)
Prepaid taxes and income taxes payable	35	(8)	(85)
Other assets and liabilities	76	17	(1)
Net cash provided by operating activities (see Note 25)	1,184	1,008	1,126
Cash paid during the year for:
Interest	97	72	84
Income taxes, net of refunds	205	243	316
Non-cash investing transactions:
Period end accounts payable related to property, plant and equipment purchases	$ 182	$ 102	$ 104