Segment Information Net Sales Attributed to Countries Representing Portion of Consolidated Net Sales (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
Segment Reporting, Revenue Reconciling Item
Total net sales	$ 87,437	$ 69,981	$ 63,404	$ 59,700	$ 72,383	$ 56,576	$ 52,886	$ 51,042	$ 280,522	$ 232,887	$ 177,866
United States
Segment Reporting, Revenue Reconciling Item
Total net sales									193,636	160,146	120,486
Germany
Segment Reporting, Revenue Reconciling Item
Total net sales									22,232	19,881	16,951
United Kingdom
Segment Reporting, Revenue Reconciling Item
Total net sales									17,527	14,524	11,372
Japan
Segment Reporting, Revenue Reconciling Item
Total net sales									16,002	13,829	11,907
Rest of world
Segment Reporting, Revenue Reconciling Item
Total net sales									$ 31,125	$ 24,507	$ 17,150