Accumulated Other Comprehensive Income (AOCI) Components (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Accumulated other comprehensive income (loss)
Revenues	$ (16,565)	$ (18,117)	$ (51,257)	$ (60,307)
Cost of Revenue	15,476	16,647	48,102	56,990
Interest Expense	69	79	235	251
Other (income) expense - net	151	(56)	52	(76)
Earnings Before Income Taxes	(367)	(1,033)	(1,583)	(2,134)
Asset impairment, exit, and restructuring costs	65	0	96	31
Tax	(114)	(285)	(454)	(586)
Net Earnings Including Noncontrolling Interests	(253)	(748)	(1,129)	(1,548)
Reclassification Out of Accumulated Other Comprehensive Income [Member] | Deferred (Gain) Loss On Hedging Activities [Member]
Accumulated other comprehensive income (loss)
Revenues	(4)	1	(49)	86
Cost of Revenue	(2)	110	15	103
Interest Expense	0	(1)	0	(1)
Other (income) expense - net	(6)	(2)	(27)	(2)
Earnings Before Income Taxes	(12)	108	(61)	186
Tax	(5)	40	(23)	69
Net Earnings Including Noncontrolling Interests	(7)	68	(38)	117
Reclassification Out of Accumulated Other Comprehensive Income [Member] | Pension Liability Adjustment [Member]
Accumulated other comprehensive income (loss)
Earnings Before Income Taxes	30	6	59	16
Prior service cost (credit)	(4)	(3)	(17)	(11)
Actuarial (gains ) losses	19	9	61	27
Asset impairment, exit, and restructuring costs	15	0	15	0
Tax	7	2	24	5
Net Earnings Including Noncontrolling Interests	23	4	35	11
Reclassification Out of Accumulated Other Comprehensive Income [Member] | Foreign Currency Translation Adjustment [Member]
Accumulated other comprehensive income (loss)
Other (income) expense - net	(29)	0	(29)	0
Tax	0	0	0	0
Net Earnings Including Noncontrolling Interests	$ (29)	$ 0	$ (29)	$ 0