Condensed Consolidated Statements of Equity - USD ($) $ in Millions	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Parent [Member]	Noncontrolling Interest [Member]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	$ 5,457.0	$ 1.4	$ 41.1	$ 5,563.2	$ (155.6)	$ 5,450.1	$ 6.9
Cash dividends declared per share	$ 0.96
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	$ 3,761.9	0.0	0.0	3,762.8	0.0	3,762.8	(0.9)
Other comprehensive income/(loss)	(47.1)	0.0	0.0	0.0	(47.1)	(47.1)	0.0
APIC, Share-based Payment Arrangement, Increase for Cost Recognition	187.4	0.0	187.4	0.0	0.0	187.4	0.0
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	47.6	0.0	47.6	0.0	0.0	47.6	0.0
Stock Issued During Period, Value, Employee Stock Purchase Plan	23.9	0.0	23.9	0.0	0.0	23.9	0.0
Stock Repurchased and Retired During Period, Value	(4,111.5)	0.0	(258.9)	(3,852.6)	0.0	(4,111.5)	0.0
Dividends, Cash	(1,322.5)	0.0	0.0	(1,322.5)	0.0	(1,322.5)	0.0
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	$ 4,717.7	1.4	41.1	4,635.8	32.9	4,711.2	6.5
Cash dividends declared per share	$ 0.36
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	$ 852.0	0.0	0.0	852.5	0.0	852.5	(0.5)
Other comprehensive income/(loss)	(235.6)	0.0	0.0	0.0	(235.6)	(235.6)	0.0
APIC, Share-based Payment Arrangement, Increase for Cost Recognition	69.4	0.0	69.4	0.0	0.0	69.4	0.0
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	14.2	0.0	14.2	0.0	0.0	14.2	0.0
Stock Issued During Period, Value, Employee Stock Purchase Plan	8.6	0.0	8.6	0.0	0.0	8.6	0.0
Stock Repurchased and Retired During Period, Value	(940.1)		(92.2)	(847.9)	0.0	(940.1)	0.0
Dividends, Cash	(489.5)	0.0	0.0	(489.5)	0.0	(489.5)	0.0
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	3,996.7	1.4	41.1	4,150.9	(202.7)	3,990.7	6.0
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	$ 1,175.8	1.3	41.1	1,457.4	(330.3)	1,169.5	6.3
Cash dividends declared per share	$ 1.08
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	$ 2,792.2	0.0	0.0	2,796.4	0.0	2,796.4	(4.2)
Other comprehensive income/(loss)	(18.7)	0.0	0.0	0.0	(18.7)	(18.7)	0.0
APIC, Share-based Payment Arrangement, Increase for Cost Recognition	258.0	0.0	258.0	0.0	0.0	258.0	0.0
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	227.4	0.0	227.4	0.0	0.0	227.4	0.0
Stock Issued During Period, Value, Employee Stock Purchase Plan	25.0	0.0	25.0	0.0	0.0	25.0	0.0
Stock Repurchased and Retired During Period, Value	(7,954.3)	(0.1)	(510.4)	(7,443.8)	0.0	(7,954.3)	0.0
Dividends, Cash	(1,319.5)	0.0	0.0	(1,319.5)	0.0	(1,319.5)	0.0
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders	(0.5)						0.5
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	$ (5,035.2)	1.2	41.1	(4,807.7)	(271.5)	(5,036.9)	1.7
Cash dividends declared per share	$ 0.36
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	$ 1,373.2	0.0	0.0	1,372.8	0.0	1,372.8	0.4
Other comprehensive income/(loss)	(77.5)	0.0	0.0	0.0	(77.5)	(77.5)	0.0
APIC, Share-based Payment Arrangement, Increase for Cost Recognition	64.0	0.0	64.0	0.0	0.0	64.0	0.0
Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture	24.4	0.0	24.4	0.0	0.0	24.4	0.0
Stock Issued During Period, Value, Employee Stock Purchase Plan	8.6	0.0	8.6	0.0	0.0	8.6	0.0
Stock Repurchased and Retired During Period, Value	(241.1)	0.0	(97.0)	(144.1)	0.0	(241.1)	0.0
Dividends, Cash	(434.9)	0.0	0.0	(434.9)	0.0	(434.9)	0.0
Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders	(0.5)						0.5
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest	(4,319.0)	1.2	41.1	(4,013.9)	(349.0)	(4,320.6)	1.6
Cumulative Effect of New Accounting Principle in Period of Adoption	$ 495.6	$ 0.0	$ 0.0	$ 495.6	$ 0.0	$ 495.6	$ 0.0

Amount of increase to additional paid-in capital (APIC) for recognition of cost for award under share-based payment arrangement.

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