Accumulated Other Comprehensive Income (AOCI) Components (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Cost of Revenue	$ 14,872	$ 16,222	$ 28,460	$ 32,626
Other Income (Expense)	(134)	(95)	(134)	(113)
Revenues	(15,629)	(17,186)	(30,013)	(34,692)
Earnings Before Income Taxes	(407)	(526)	(713)	(1,216)
Tax	119	143	195	340
Net Earnings Including Noncontrolling Interests	(288)	(383)	(518)	(876)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Foreign Currency Translation Adjustment [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Other Income (Expense)	(73)		(73)
Net Earnings Including Noncontrolling Interests	(73)		(73)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Deferred (Gain) Loss On Hedging Activities [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Cost of Revenue	5	17	24	17
Other Income (Expense)	8	(4)	22	(21)
Revenues	6	2	5	(45)
Earnings Before Income Taxes	19	15	51	(49)
Tax	(8)	(6)	(19)	18
Net Earnings Including Noncontrolling Interests	11	9	32	(31)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Pension Liability Adjustment [Member]
Reclassification Adjustment out of Accumulated Other Comprehensive Income on Derivatives [Line Items]
Prior service cost (credit)	(3)	(11)	(7)	(13)
Actuarial (gains ) losses	15	15	29	42
Earnings Before Income Taxes	12	4	22	29
Tax	(2)	0	(3)	(17)
Net Earnings Including Noncontrolling Interests	$ 10	$ 4	$ 19	$ 12