Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income before income taxes (benefit):
Domestic	$ 4,725.3	$ 3,877.0	$ 3,540.4
Foreign	2,400.6	2,022.6	1,588.4
Income before income tax expense and equity in loss of investee, net of tax	7,125.9	5,899.6	5,128.8
Current
Federal	947.4	1,131.8	2,201.4
State	59.1	45.5	57.0
Foreign	84.4	140.0	108.6
Total	1,090.9	1,317.3	2,367.0
Deferred
Federal	1,143.9	(62.0)	241.0
State	(2.3)	(7.4)	9.9
Foreign	(1,074.5)	177.7	(159.2)
Total	67.1	108.3	91.7
Total income tax expense	$ 1,158.0	$ 1,425.6	$ 2,458.7