CONSOLIDATED STATEMENTS OF STOCKHOLDERS’ EQUITY - USD ($) $ in Millions	Total	Common Stock	Treasury Stock	Additional Paid-In Capital	Retained Earnings (Deficit)	Accumulated Other Comprehensive Income (Loss)	Stockholders’ Equity Attributable to Parent	Non-controlling Interests
Beginning balance at Dec. 31, 2016	$ 11,384.4	$ 504.8	$ (545.3)	$ 10,144.2	$ 2,289.9	$ (1,044.8)	$ 11,348.8	$ 35.6
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income (loss)	3,030.5				2,748.8	281.7	3,030.5
Cash dividends on common stock	(427.5)				(427.5)		(427.5)
Equity compensation, net of tax	345.3	8.3	(28.2)	365.2			345.3
Common stock purchased and retired	(152.4)	(5.0)		(147.4)			(152.4)
Portion of net income (loss) attributable to non-controlling interests	1.0							1.0
Ending balance at Dec. 31, 2017	14,181.3	508.1	(573.5)	10,362.0	4,611.2	(763.1)	14,144.7	36.6
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income (loss)	(7,029.6)				(6,942.5)	(87.1)	(7,029.6)
Cash dividends on common stock	(435.5)			(210.7)	(224.8)		(435.5)
Equity compensation, net of tax	63.9	1.3	(11.2)	73.8			63.9
Common stock purchased and retired	(1,507.3)	(63.3)		(1,444.0)			(1,507.3)
Impact of adoption due to change in accounting standard (see Footnote 1)	(17.8)				44.8	(62.6)	(17.8)
Portion of net income (loss) attributable to non-controlling interests	(1.8)							(1.8)
Ending balance at Dec. 31, 2018	5,253.2	446.1	(584.7)	8,781.1	(2,511.3)	(912.8)	5,218.4	34.8
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Comprehensive income (loss)	99.5				106.6	(7.1)	99.5
Cash dividends on common stock	(392.6)			(392.6)			(392.6)
Equity compensation, net of tax	37.5	1.0	(5.6)	42.1			37.5
Impact of adoption due to change in accounting standard (see Footnote 1)	0.5				0.5		0.5
Portion of net income (loss) attributable to non-controlling interests	(2.1)							(2.1)
Ending balance at Dec. 31, 2019	$ 4,996.0	$ 447.1	$ (590.3)	$ 8,430.6	$ (2,404.2)	$ (919.9)	$ 4,963.3	$ 32.7

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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