BUSINESS SEGMENTS - Reconciliation of Contribution to Earnings to Net Earnings (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Reconciliation of Contribution (Charge) to Earnings From Segment to Net Earnings [Line Items]
Net contribution to earnings									$ 1,892	$ 850	$ 2,374
Interest expense, net of capitalized interest (continuing and discontinued operations)									(436)	(347)	(347)
Income before income taxes (continuing and discontinued operations)									1,456	503	2,027
Income taxes (continuing and discontinued operations)									(429)	3	(201)
Net earnings	$ 551	$ 227	$ 168	$ 81	$ 70	$ 191	$ 144	$ 101	1,027	506	1,826
Continuing operations
Reconciliation of Contribution (Charge) to Earnings From Segment to Net Earnings [Line Items]
Net contribution to earnings									935	694	1,025
Discontinued operations
Reconciliation of Contribution (Charge) to Earnings From Segment to Net Earnings [Line Items]
Net contribution to earnings									$ 957	$ 156	$ 1,349