Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Net earnings	$ 4,895	$ 5,176	$ 5,446
Currency translation adjustments	(104)	(92)	(97)
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, Net of Tax of $1, ($5), and $0	(2)	8
Unrealized gain/(loss) on derivative instruments:
Unrealized (loss) arising during period, net of tax of $4, $77, and $77	(8)	(140)	(137)
Reclassification adjustment for loss included in net earnings, net of tax of ($43), ($43) and ($4)	78	79	7
Total unrealized gain/(loss) on derivative instruments, net of tax	70	(61)	(130)
Defined benefit pension plans & other postretirement benefits:
Net actuarial (loss) arising during the period, net of tax of $752, $402 and $2,588	(1,365)	(732)	(4,612)
Amortization of actuarial losses included in net periodic pension cost, net of tax of ($288), ($570) and ($367)	524	1,038	661
Settlements and curtailments included in net income, net of tax of ($7), ($27) and ($101)	14	51	180
Pension and postretirement benefit/(cost) related to our equity method investments, net of tax ($7), ($2) and $15	12	3	(27)
Amortization of prior service (credits)/cost included in net periodic pension cost, net of tax of $31, ($22) and ($12)	(57)	38	21
Prior service cost/(credits) arising during the period, net of tax of ($18), ($496) and $3	33	902	(5)
Total defined benefit pension plans & other postretirement benefits, net of tax	(839)	1,300	(3,782)
Other comprehensive (loss)/income, net of tax	(875)	1,155	(4,009)
Comprehensive (loss)/income related to noncontrolling interests	(1)	(3)	10
Comprehensive income, net of tax	$ 4,019	$ 6,328	$ 1,447