Restructuring Related Activities (Details in Narrative) - USD ($) $ in Millions	12 Months Ended			43 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2019
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost		$ 96	$ 95
Restructuring Charges Incurred to Date				$ 138
Restructuring Charges	$ 38	36	37
Payments for Restructuring	(64)
Restructuring and Related Cost, Cost Incurred to Date	318			318
Restructuring-related Costs Incurred to Date				180
Restructuring Related Expenses	44	59	58
Restructuring and Restructuring-Related Cost	82
2016 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges Incurred to Date				106
Payments for Restructuring	(41)
Restructuring and Related Cost, Cost Incurred to Date	271			271
Restructuring-related Costs Incurred to Date				164
2019 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges Incurred to Date				32
Payments for Restructuring	(23)
Restructuring and Related Cost, Cost Incurred to Date	47			47
Restructuring-related Costs Incurred to Date				15
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Severance Costs	38	32	25
Restructuring and Related Cost, Incurred Cost		32	25
Restructuring Charges Incurred to Date				115
Payments for Restructuring	(18)
Restructuring Related Expenses	0	0	0
Restructuring and Restructuring-Related Cost	38
Employee Severance [Member] | 2016 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges Incurred to Date				86
Payments for Restructuring	(13)
Employee Severance [Member] | 2019 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges Incurred to Date				30
Payments for Restructuring	(6)
Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost		16	25
Restructuring Charges Incurred to Date				23
Other Restructuring Costs	0	4	12
Payments for Restructuring	(14)
Restructuring-related Costs Incurred to Date				41
Restructuring Related Expenses	13	12	13
Restructuring and Restructuring-Related Cost	13
Other Restructuring [Member] | 2016 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges Incurred to Date				21
Payments for Restructuring	(10)
Restructuring-related Costs Incurred to Date				39
Other Restructuring [Member] | 2019 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges Incurred to Date				2
Payments for Restructuring	(4)
Restructuring-related Costs Incurred to Date				2
Transfer costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Incurred Cost		47	45
Transfer Costs	0	0	0
Payments for Restructuring	(32)
Restructuring-related Costs Incurred to Date				139
Restructuring Related Expenses	32	47	45
Restructuring and Restructuring-Related Cost	32
Transfer costs [Member] | 2016 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Payments for Restructuring	(18)
Restructuring-related Costs Incurred to Date				126
Transfer costs [Member] | 2019 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Payments for Restructuring	(13)
Restructuring-related Costs Incurred to Date				13
Maximum [Member] | 2019 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring plan estimated future cash outflow	280
Restructuring and Restructuring-related Cost, Expected Cost	300			300
Minimum [Member] | 2016 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring plan estimated future cash outflow	255
Minimum [Member] | 2019 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring plan estimated future cash outflow	180
Restructuring and Restructuring-related Cost, Expected Cost	200			200
Restructuring Related To Plan [Member] | Maximum [Member] | Other Restructuring [Member] | 2019 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring-related Cost, Expected Cost	150			150
Restructuring Related To Plan [Member] | Minimum [Member] | Other Restructuring [Member] | 2016 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring-related Cost, Expected Cost	164			164
Restructuring Related To Plan [Member] | Minimum [Member] | Other Restructuring [Member] | 2019 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring-related Cost, Expected Cost	100			100
Restructuring Plan [Member] | Maximum [Member] | Employee Severance [Member] | 2019 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	100			100
Restructuring Plan [Member] | Maximum [Member] | Other Restructuring [Member] | 2019 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	50			50
Restructuring Plan [Member] | Minimum [Member] | Employee Severance [Member] | 2016 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	86			86
Restructuring Plan [Member] | Minimum [Member] | Employee Severance [Member] | 2019 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	75			75
Restructuring Plan [Member] | Minimum [Member] | Other Restructuring [Member] | 2016 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	21			21
Restructuring Plan [Member] | Minimum [Member] | Other Restructuring [Member] | 2019 Restructuring Plan [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Expected Cost	25			$ 25
Cost of Sales [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Related Expenses			45
Cost of Sales [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Related Expenses			0
Cost of Sales [Member] | Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Related Expenses			0
Cost of Sales [Member] | Transfer costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Related Expenses			45
Selling, General and Administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Related Expenses			13
Selling, General and Administrative Expenses [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Related Expenses			0
Selling, General and Administrative Expenses [Member] | Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Related Expenses			13
Selling, General and Administrative Expenses [Member] | Transfer costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Related Expenses			$ 0
Selling, General and Administrative Expenses [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Related Expenses	13	12
Selling, General and Administrative Expenses [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Related Expenses	0	0
Selling, General and Administrative Expenses [Member] | Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Related Expenses	13	12
Selling, General and Administrative Expenses [Member] | Transfer costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Related Expenses	0	0
Cost of Sales [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Related Expenses	32	47
Cost of Sales [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Related Expenses	0	0
Cost of Sales [Member] | Other Restructuring [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Related Expenses	0	0
Cost of Sales [Member] | Transfer costs [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Related Expenses	$ 32	$ 47