Equity (Tables)

12 Months Ended

Dec. 31, 2021

Equity [Abstract]

Summary of common stock

The following table describes the number of shares authorized, issued and outstanding of our common stock as of December 31, 2021, 2020 and 2019:

	As of December 31, 2021			As of December 31, 2020			As of December 31, 2019
(In millions)	Authorized	Issued	Outstanding	Authorized	Issued	Outstanding	Authorized	Issued	Outstanding
Common stock	1,000.0	170.8	147.0	1,000.0	176.2	152.4	1,000.0	198.0	174.2

Schedule of Accumulated Other Comprehensive Income (Loss)

The following tables summarize the changes in accumulated other comprehensive income (loss), net of tax by component:

	December 31, 2021
(In millions)	Unrealized Gains (Losses) on Securities Available for Sale, Net of Tax		Unrealized Gains (Losses) on Cash Flow Hedges, Net of Tax		Gains (Losses) on Net Investment Hedge, Net of Tax		Unfunded Status of Postretirement Benefit Plans, Net of Tax		Currency Translation Adjustments		Total
Balance, December 31, 2020	$	1.4	$	(179.0)	$	(8.5)	$	(66.3)	$	(46.6)	$	(299.0)
Other comprehensive income (loss) before reclassifications	(6.6)		178.2		33.4		21.5		(92.4)		134.1
Amounts reclassified from accumulated other comprehensive income (loss)	3.0		54.6		0.6		—		—		58.2
Net current period other comprehensive income (loss)	(3.6)		232.8		34.0		21.5		(92.4)		192.3
Balance, December 31, 2021	$	(2.2)	$	53.8	$	25.5	$	(44.8)	$	(139.0)	$	(106.7)

	December 31, 2020
(In millions)	Unrealized Gains (Losses) on Securities Available for Sale, Net of Tax		Unrealized Gains (Losses) on Cash Flow Hedges, Net of Tax		Gains (Losses) on Net Investment Hedge, Net of Tax		Unfunded Status of Postretirement Benefit Plans, Net of Tax		Currency Translation Adjustments		Total
Balance, December 31, 2019	$	4.2	$	7.8	$	25.1	$	(32.8)	$	(139.5)	$	(135.2)
Other comprehensive income (loss) before reclassifications	(9.3)		(165.0)		(30.7)		(33.5)		92.9		(145.6)
Amounts reclassified from accumulated other comprehensive income (loss)	6.5		(21.8)		(2.9)		—		—		(18.2)
Net current period other comprehensive income (loss)	(2.8)		(186.8)		(33.6)		(33.5)		92.9		(163.8)
Balance, December 31, 2020	$	1.4	$	(179.0)	$	(8.5)	$	(66.3)	$	(46.6)	$	(299.0)

	December 31, 2019
(In millions)	Unrealized Gains (Losses) on Securities Available for Sale, Net of Tax		Unrealized Gains (Losses) on Cash Flow Hedges, Net of Tax		Gains (Losses) on Net Investment Hedge, Net of Tax		Unfunded Status of Postretirement Benefit Plans, Net of Tax		Currency Translation Adjustments		Total
Balance, December 31, 2018	$	(4.0)	$	34.7	$	3.5	$	(31.3)	$	(243.3)	$	(240.4)
Other comprehensive income (loss) before reclassifications	11.8		88.1		28.6		(1.5)		103.8		230.8
Amounts reclassified from accumulated other comprehensive income (loss)	(3.6)		(115.0)		(7.0)		—		—		(125.6)
Net current period other comprehensive income (loss)	8.2		(26.9)		21.6		(1.5)		103.8		105.2
Balance, December 31, 2019	$	4.2	$	7.8	$	25.1	$	(32.8)	$	(139.5)	$	(135.2)

Reclassification out of Accumulated Other Comprehensive Income

The following table summarizes the amounts reclassified from accumulated other comprehensive income (loss):

(In millions)	Income Statement Location	Amounts Reclassified from Accumulated Other Comprehensive Income (Loss)
		For the Years Ended December 31,
		2021		2020		2019
Gains (losses) on securities available for sale	Other income (expense)	$	(3.8)	$	(8.2)	$	4.5
	Income tax benefit (expense)	0.8		1.7		(0.9)
Gains (losses) on cash flow hedges	Revenue	(60.0)		18.3		118.6
	Operating expense	(0.8)		3.3		(3.3)
	Other income (expense)	0.2		0.3		0.3
	Income tax benefit (expense)	6.0		(0.1)		(0.6)
Gains (losses) on net investment hedge	Other income (expense)	(0.6)		2.9		7.0
Total reclassifications, net of tax		$	(58.2)	$	18.2	$	125.6