Shareholders' Equity Shareholders' Equity Reclassification Components (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Accumulated Other Comprehensive Income [Line Items]
Other (income) expense - net									$ 321	$ 247	$ 53
Cost of products sold									63,682	76,433	85,915
Interest expense									308	337	413
Revenues	$ (16,445)	$ (16,565)	$ (17,186)	$ (17,506)	$ (20,894)	$ (18,117)	$ (21,494)	$ (20,696)	(67,702)	(81,201)	(89,804)
Restructuring, Settlement and Impairment Provisions									200	105	259
Loss (Earnings) before Income Taxes									(2,284)	(3,130)	(2,024)
Income Tax Expense (Benefit)									(438)	(877)	(670)
Net Loss (Earnings) Including Noncontrolling Interests									(1,846)	(2,253)	(1,354)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Translation Adjustment [Member]
Accumulated Other Comprehensive Income [Line Items]
Other (income) expense - net									(23)	0	0
Income Tax Expense (Benefit)									0	0	0
Net Loss (Earnings) Including Noncontrolling Interests									23	0	0
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Net Unrealized Investment Gain (Loss) [Member]
Accumulated Other Comprehensive Income [Line Items]
Restructuring, Settlement and Impairment Provisions									0	6	157
Income Tax Expense (Benefit)									0	2	3
Net Loss (Earnings) Including Noncontrolling Interests									0	4	154
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Defined Benefit Plans Adjustment [Member]
Accumulated Other Comprehensive Income [Line Items]
Other Comprehensive (Income) Loss, Amortization Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Prior Service Cost (Credit), before Tax									37	(15)	(15)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Gain (loss), before Tax									30	36	75
Loss (Earnings) before Income Taxes									67	21	60
Income Tax Expense (Benefit)									44	7	23
Net Loss (Earnings) Including Noncontrolling Interests									23	14	37
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income [Line Items]
Other (income) expense - net									29	5	1
Cost of products sold									25	124	41
Interest expense									(1)	(1)	1
Revenues									(41)	69	(4)
Loss (Earnings) before Income Taxes									(46)	187	37
Income Tax Expense (Benefit)									(17)	70	14
Net Loss (Earnings) Including Noncontrolling Interests									$ (29)	$ 117	$ 23