Shareholders' Equity Reclassification Components (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Accumulated Other Comprehensive Income [Line Items]
Other (income) expense - net									$ 7	$ 101	$ (10)
Cost of products sold									60,509	60,160	57,310
Interest expense									402	364	330
Revenues	$ (16,329)	$ (16,726)	$ (16,297)	$ (15,304)	$ (15,947)	$ (15,800)	$ (17,068)	$ (15,526)	(64,656)	(64,341)	(60,828)
Restructuring, Settlement and Impairment Provisions									303	171	173
Loss (Earnings) before Income Taxes									(1,588)	(2,060)	(1,609)
Income Tax Expense (Benefit)									209	245	7
Net Loss (Earnings) Including Noncontrolling Interests									(1,379)	(1,815)	(1,602)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Translation Adjustment [Member]
Accumulated Other Comprehensive Income [Line Items]
Other (income) expense - net									7	(1)	0
Income Tax Expense (Benefit)									0	0	0
Net Loss (Earnings) Including Noncontrolling Interests									7	(1)	0
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Net Unrealized Investment Gain (Loss) [Member]
Accumulated Other Comprehensive Income [Line Items]
Other (income) expense - net									(1)	(2)	(1)
Income Tax Expense (Benefit)									0	0	0
Net Loss (Earnings) Including Noncontrolling Interests									(1)	(2)	(1)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Defined Benefit Plans Adjustment [Member]
Accumulated Other Comprehensive Income [Line Items]
Loss (Earnings) before Income Taxes									(9)	32	55
Income Tax Expense (Benefit)									18	(8)	(29)
Net Loss (Earnings) Including Noncontrolling Interests									9	24	26
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									46	(36)	2
Cost of products sold									11	113	45
Interest expense									(1)	(1)	(1)
Revenues									44	0	1
Loss (Earnings) before Income Taxes									100	76	47
Income Tax Expense (Benefit)									(13)	(18)	(18)
Net Loss (Earnings) Including Noncontrolling Interests									87	58	29
Nonoperating Income (Expense) [Member] | Reclassification out of Accumulated Other Comprehensive Income [Member] | Accumulated Defined Benefit Plans Adjustment [Member]
Accumulated Other Comprehensive Income [Line Items]
Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, before Tax									(26)	(33)	(57)
Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Gain (loss), before Tax									$ 17	$ 65	$ 112