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Condensed Consolidated Statements of Changes in Stockholders' Equity (Unaudited) - USD ($) $ in Millions		Share-Based Payment Arrangement, Option [Member] Common Stock [Member]	Share-Based Payment Arrangement, Option [Member] Additional Paid-in Capital [Member]	Share-Based Payment Arrangement, Option [Member] Treasury Stock, Common [Member]	Share-Based Payment Arrangement, Option [Member] Retained Earnings [Member]	Share-Based Payment Arrangement, Option [Member] AOCI Attributable to Parent [Member]	Share-Based Payment Arrangement, Option [Member] Parent [Member]	Share-Based Payment Arrangement, Option [Member] Noncontrolling Interest [Member]	Share-Based Payment Arrangement, Option [Member]	Restricted Stock [Member] Common Stock [Member]	Restricted Stock [Member] Additional Paid-in Capital [Member]	Restricted Stock [Member] Treasury Stock, Common [Member]	Restricted Stock [Member] Retained Earnings [Member]	Restricted Stock [Member] AOCI Attributable to Parent [Member]	Restricted Stock [Member] Parent [Member]	Restricted Stock [Member] Noncontrolling Interest [Member]	Restricted Stock [Member]	Performance Shares [Member] Common Stock [Member]	Performance Shares [Member] Additional Paid-in Capital [Member]	Performance Shares [Member] Treasury Stock, Common [Member]	Performance Shares [Member] Retained Earnings [Member]	Performance Shares [Member] AOCI Attributable to Parent [Member]	Performance Shares [Member] Parent [Member]	Performance Shares [Member] Noncontrolling Interest [Member]	Performance Shares [Member]	Common Stock [Member]	Additional Paid-in Capital [Member]	Treasury Stock, Common [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Parent [Member]	Noncontrolling Interest [Member]	Total
Balance (in shares) at Dec. 31, 2021																										544,003,038
Balance at Dec. 31, 2021																										$ 0.1	$ 2,608.7	$ (4,638.1)	$ 5,240.4	$ (394.6)	$ 2,816.5	$ 26.0	$ 2,842.5
Net income																										0.0	0.0	0.0	892.8	0.0	892.8	0.3	893.1
Other comprehensive income																										0.0	0.0	0.0	0.0	(520.4)	(520.4)	(2.7)	(523.1)
Investment in noncontrolling interests																										0.0	(0.5)	0.0	0.0	(1.1)	(1.6)	(6.6)	(8.2)
Common stock dividend (1)	[1]																									0.0	0.0	0.0	(147.1)	0.0	(147.1)	0.0	(147.1)
Treasury stock acquired																										0.0	0.0	(1,196.3)	0.0	0.0	(1,196.3)	0.0	(1,196.3)
Stock options exercised																										0.0	94.0	17.1	0.0	0.0	111.1	0.0	111.1
RSAs lapsed																										0.0	(1.6)	1.6	0.0	0.0	0.0	0.0	0.0
Stock-based compensation expense																										0.0	50.2	0.0	0.0	0.0	50.2	0.0	50.2
Net share settlement from RSA																										0.0	(20.4)	0.0	0.0	0.0	(20.4)	0.0	(20.4)
Other stock issuances																										$ 0.0	3.7	0.5	0.0	0.0	4.2	0.0	4.2
PSUs lapsed																		$ 0.0	$ (0.6)	$ 0.6	$ 0.0	$ 0.0	$ 0.0	$ 0.0	$ 0.0
Balance (in shares) at Sep. 30, 2022																										544,003,038
Balance at Sep. 30, 2022																										$ 0.1	2,733.5	(5,814.6)	5,986.1	(916.1)	1,989.0	17.0	2,006.0
Balance (in shares) at Jun. 30, 2022																										544,003,038
Balance at Jun. 30, 2022																										$ 0.1	2,707.1	(5,517.4)	5,845.5	(683.4)	2,351.9	18.1	2,370.0
Net income																										0.0	0.0	0.0	189.4	0.0	189.4	0.1	189.5
Other comprehensive income																										0.0	0.0	0.0	0.0	(232.2)	(232.2)	(1.2)	(233.4)
Investment in noncontrolling interests																										0.0	0.5	0.0	0.0	(0.5)	0.0	0.0	0.0
Common stock dividend (1)	[1]																									0.0	0.0	0.0	(48.8)	0.0	(48.8)	0.0	(48.8)
Treasury stock acquired																										0.0	0.0	(300.0)	0.0	0.0	(300.0)	0.0	(300.0)
Stock options exercised																										0.0	13.9	2.6	0.0	0.0	16.5	0.0	16.5
RSAs lapsed										$ 0.0	$ 0.0	$ 0.0	$ 0.0	$ 0.0	$ 0.0	$ 0.0	$ 0.0
Stock-based compensation expense																										0.0	11.3	0.0	0.0	0.0	11.3	0.0	11.3
Net share settlement from RSA																										0.0	(0.4)	0.0	0.0	0.0	(0.4)	0.0	(0.4)
Other stock issuances																										$ 0.0	1.1	0.2	0.0	0.0	1.3	0.0	1.3
Balance (in shares) at Sep. 30, 2022																										544,003,038
Balance at Sep. 30, 2022																										$ 0.1	2,733.5	(5,814.6)	5,986.1	(916.1)	1,989.0	17.0	2,006.0
Balance (in shares) at Dec. 31, 2022																										544,003,038
Balance at Dec. 31, 2022																										$ 0.1	2,720.8	(6,239.5)	5,999.1	(731.2)	1,749.3	18.4	1,767.7
Net income																										0.0	0.0	0.0	440.6	0.0	440.6	0.0	440.6
Other comprehensive income																										0.0			0.0	745.8	745.8	(1.2)	744.6
Investment in noncontrolling interests																										0.0	(3.9)		0.0	1.2	(2.7)	(6.5)	(9.2)
Common stock dividend (1)	[1]																									0.0			(147.9)	0.0	(147.9)	0.0	(147.9)
Treasury stock acquired																										0.0		(2,588.6)	0.0	0.0	(2,551.1)	0.0	(2,551.1)
Excise tax associated with share repurchases																										0.0	0.0	(18.3)		0.0	(18.3)	0.0	(18.3)
Stock options exercised		$ 0.0	$ 109.4	$ 24.1	$ 0.0	$ 0.0	$ 133.5	$ 0.0	$ 133.5
RSAs lapsed										0.0	(1.7)	1.7	0.0	0.0	0.0	0.0	0.0
Stock-based compensation expense																										0.0	46.3	0.0	0.0	0.0	46.3	0.0	46.3
Net share settlement from RSA																										0.0	(14.0)	0.0	0.0	0.0	(14.0)	0.0	(14.0)
Other stock issuances																										0.0	2.5	0.5	0.0	0.0	3.0	0.0	3.0
Treasury stock acquired (11,111,210 shares)																											37.5
Share repurchases via accelerated share repurchase program not yet settled																										$ 0.0	(500.3)	500.3	0.0	0.0	0.0	0.0	0.0
PSUs lapsed																		$ 0.0	$ (0.4)	$ 0.4	$ 0.0	$ 0.0	$ 0.0	$ 0.0	$ 0.0
Balance (in shares) at Sep. 30, 2023																										544,003,038
Balance at Sep. 30, 2023																										$ 0.1	2,396.2	(8,319.4)	6,291.8	15.8	384.5	10.7	395.2
Balance (in shares) at Jun. 30, 2023																										544,003,038
Balance at Jun. 30, 2023																										$ 0.1	2,367.7	(8,273.3)	6,153.8	45.7	294.0	11.8	305.8
Net income																										0.0	0.0	0.0	187.4	0.0	187.4	0.0	187.4
Other comprehensive income																										0.0	0.0	0.0	0.0	(31.0)	(31.0)	(1.1)	(32.1)
Investment in noncontrolling interests																										0.0	0.0	0.0	0.0	1.1	1.1	0.0	1.1
Common stock dividend (1)	[1]																									0.0	0.0	0.0	(49.4)	0.0	(49.4)	0.0	(49.4)
Treasury stock acquired																										0.0	0.0	(49.8)	0.0	0.0	(49.8)	0.0	(49.8)
Excise tax associated with share repurchases																										0.0	0.0	(0.2)	0.0	0.0	(0.2)	0.0	(0.2)
Stock options exercised		$ 0.0	$ 15.6	$ 3.7	$ 0.0	$ 0.0	$ 19.3	$ 0.0	$ 19.3
RSAs lapsed										$ 0.0	$ 0.0	$ 0.0	$ 0.0	$ 0.0	$ 0.0	$ 0.0	$ 0.0
Stock-based compensation expense																										0.0	12.4	0.0	0.0	0.0	12.4	0.0	12.4
Net share settlement from RSA																										0.0	(0.2)	0.0	0.0	0.0	(0.2)	0.0	(0.2)
Other stock issuances																										$ 0.0	0.7	0.2	0.0	0.0	0.9	0.0	0.9
Balance (in shares) at Sep. 30, 2023																										544,003,038
Balance at Sep. 30, 2023																										$ 0.1	$ 2,396.2	$ (8,319.4)	$ 6,291.8	$ 15.8	$ 384.5	$ 10.7	$ 395.2
[1] Refer to Note 11. Stockholders' Equity for discussion related to quarterly cash dividends declared per share

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