Statements of Consolidated Comprehensive Income - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statement of Comprehensive Income [Abstract]
Net income		$ 2,020.1	$ 1,864.4	$ 2,030.4
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustments	[1]	(108.7)	(30.6)	(14.1)
Pension and other postretirement benefit adjustments:
Amounts recognized in AOCI	[2]	106.8	48.7	(19.4)
Amounts reclassified from AOCI	[3]	3.7	6.3	1.4
Pension and other postretirement benefit adjustments		110.5	55.0	(18.0)
Unrealized net gains on cash flow hedges:
Amounts reclassified from AOCI	[4]	(4.0)	(4.5)	(6.7)
Other comprehensive (loss) income, net of tax		(2.2)	19.9	(38.8)
Comprehensive income		$ 2,017.9	$ 1,884.3	$ 1,991.6

[1] The years ended December 31, 2022, 2021 and 2020 include unrealized gains (losses), net of taxes, of $34.1 million, $37.1 million and $(54.0) million, respectively, related to net investment hedges. See Note 17.

[2] Net of taxes of $(33.8) million, $(12.6) million and $3.4 million in 2022, 2021 and 2020, respectively.

[3] Net of taxes of $(1.2) million, $(2.1) million and $(0.4) million in 2022, 2021 and 2020, respectively

[4] Net of taxes of $1.1 million, $1.0 million and $2.2 million in 2022, 2021 and 2020, respectively.