Shareholders' Equity Shareholders' Equity Reclassification Components (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended								6 Months Ended		12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2014	Dec. 31, 2013	Jun. 30, 2012
Accumulated Other Comprehensive Income [Line Items]
Cost of products sold									$ 44,927	$ 43,361	$ 76,433	$ 85,915	$ 85,370
Other (income) expense - net									(109)	(12)	(247)	(53)	(29)
Interest expense									213	209	337	413	441
Revenues	(20,894)	(18,117)	(21,494)	(20,696)	(24,143)	(21,393)	(22,541)	(21,727)	(46,729)	(45,208)	(81,201)	(89,804)	(89,038)
Restructuring, Settlement and Impairment Provisions									146	352	105	259	449
Loss (Earnings) before Income Taxes									(997)	(781)	(3,130)	(2,024)	(1,765)
Income Tax Expense (Benefit)									303	237	877	670	523
Net Loss (Earnings) Including Noncontrolling Interests									(694)	(544)	(2,253)	(1,354)	(1,242)
Accumulated Net Unrealized Investment Gain (Loss) [Member]
Accumulated Other Comprehensive Income [Line Items]
Restructuring, Settlement and Impairment Provisions											6	157
Income Tax Expense (Benefit)											(2)	(3)
Net Loss (Earnings) Including Noncontrolling Interests											4	154
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											(15)	(15)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Gain (loss), before Tax											36	75
Loss (Earnings) before Income Taxes											21	60
Income Tax Expense (Benefit)											(7)	(23)
Net Loss (Earnings) Including Noncontrolling Interests											14	37
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges [Member]
Accumulated Other Comprehensive Income [Line Items]
Cost of products sold											124	41
Other (income) expense - net											(5)	(1)
Interest expense											(1)	1
Revenues											69	(4)
Loss (Earnings) before Income Taxes											187	37
Income Tax Expense (Benefit)											(70)	(14)
Net Loss (Earnings) Including Noncontrolling Interests											$ 117	$ 23