Accumulated Other Comprehensive (Loss) Income (AOCI) (Schedule of Amounts Recognized in Other Comprehensive Income (Loss)) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated Other Comprehensive Income (Loss), Beginning of Period	$ (631)	$ (553)
OCI	30	(93)
Income taxes	5	10
Cost of sales	5,188	4,663	$ 4,264
Other (income) expense	(151)	(181)	(234)
Income taxes	479	(1,197)	1,043
Other comprehensive income (loss)	25	(78)	208
Accumulated Other Comprehensive Income (Loss), End of Period	(606)	(631)	(553)
Reclassification out of Accumulated Other Comprehensive Income [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Income taxes	2	4
Other comprehensive income (loss)	25	(78)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Cost of Sales
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Cost of sales	(2)	(7)
Reclassification out of Accumulated Other Comprehensive Income [Member] | Other (income) expense
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Other (income) expense	(10)	8
Marketable Securities
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated Other Comprehensive Income (Loss), Beginning of Period	(4)	(4)
OCI	0	2
Income taxes	0	0
Accumulated Other Comprehensive Income (Loss), End of Period	(3)	(4)	(4)
Marketable Securities | Reclassification out of Accumulated Other Comprehensive Income [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Income taxes	0	0
Other comprehensive income (loss)	1	0
Marketable Securities | Reclassification out of Accumulated Other Comprehensive Income [Member] | Cost of Sales
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Cost of sales	0	0
Marketable Securities | Reclassification out of Accumulated Other Comprehensive Income [Member] | Other (income) expense
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Other (income) expense	1	(2)
Pension Plans
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated Other Comprehensive Income (Loss), Beginning of Period	(137)	(134)
OCI	(74)	(16)
Income taxes	26	1
Accumulated Other Comprehensive Income (Loss), End of Period	(179)	(137)	(134)
Pension Plans | Reclassification out of Accumulated Other Comprehensive Income [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Income taxes	(2)	2
Other comprehensive income (loss)	(42)	(3)
Pension Plans | Reclassification out of Accumulated Other Comprehensive Income [Member] | Cost of Sales
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Cost of sales	0	0
Pension Plans | Reclassification out of Accumulated Other Comprehensive Income [Member] | Other (income) expense
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Other (income) expense	8	10
Hedges
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated Other Comprehensive Income (Loss), Beginning of Period	50	28
OCI		36
Income taxes		(9)
Accumulated Other Comprehensive Income (Loss), End of Period		50	28
Hedges | Reclassification out of Accumulated Other Comprehensive Income [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Income taxes		2
Other comprehensive income (loss)		22
Hedges | Reclassification out of Accumulated Other Comprehensive Income [Member] | Cost of Sales
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Cost of sales		(7)
Hedges | Reclassification out of Accumulated Other Comprehensive Income [Member] | Other (income) expense
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Other (income) expense		0
Hedges
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
OCI	3
Income taxes	0
Accumulated Other Comprehensive Income (Loss), End of Period	47
Hedges | Reclassification out of Accumulated Other Comprehensive Income [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Income taxes	1
Other comprehensive income (loss)	(3)
Hedges | Reclassification out of Accumulated Other Comprehensive Income [Member] | Cost of Sales
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Cost of sales	(2)
Hedges | Reclassification out of Accumulated Other Comprehensive Income [Member] | Other (income) expense
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Other (income) expense	(5)
Financial Statement Translation
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Accumulated Other Comprehensive Income (Loss), Beginning of Period	(540)	(443)
OCI	101	(115)
Income taxes	(21)	18
Accumulated Other Comprehensive Income (Loss), End of Period	(471)	(540)	$ (443)
Financial Statement Translation | Reclassification out of Accumulated Other Comprehensive Income [Member]
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Income taxes	3	0
Other comprehensive income (loss)	69	(97)
Financial Statement Translation | Reclassification out of Accumulated Other Comprehensive Income [Member] | Cost of Sales
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Cost of sales	0	0
Financial Statement Translation | Reclassification out of Accumulated Other Comprehensive Income [Member] | Other (income) expense
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Other (income) expense	$ (14)	$ 0