Other Comprehensive Income (Loss) (Tables)

12 Months Ended

Dec. 31, 2021

Equity [Abstract]

Schedule of Accumulated Other Comprehensive Income (Loss)

The following table summarizes the activity related to each component of other comprehensive income (loss):

	Continuing Operations
(Amounts presented net of taxes)	Foreign Currency Translation Gains (Losses)		Unrealized Net Gains (Losses) on Securities		Defined Benefit Pension and Retiree Health Benefit Plans		Effective Portion of Cash Flow Hedges		Discontinued Operations		Accumulated Other Comprehensive Loss
Beginning balance at January 1, 2019(1)	$	(1,569.7)	$	(22.1)	$	(3,852.7)	$	(238.9)	$	(56.8)	$	(5,740.2)
Other comprehensive income (loss) before reclassifications	(46.2)		28.9		(967.6)		14.5		(27.2)		(997.6)
Net amount reclassified from accumulated other comprehensive loss	(62.1)		(1.9)		181.7		12.5		84.0		214.2
Net other comprehensive income (loss)	(108.3)		27.0		(785.9)		27.0		56.8		(783.4)
Balance at December 31, 2019	(1,678.0)		4.9		(4,638.6)		(211.9)		—		(6,523.6)
Other comprehensive income (loss) before reclassifications	250.5		6.8		(379.7)		(133.8)		—		(256.2)
Net amount reclassified from accumulated other comprehensive loss	—		3.1		267.3		13.0		—		283.4
Net other comprehensive income (loss)	250.5		9.9		(112.4)		(120.8)		—		27.2
Balance at December 31, 2020	(1,427.5)		14.8		(4,751.0)		(332.7)		—		(6,496.4)
Other comprehensive income (loss) before reclassifications	(122.7)		(11.9)		1,823.4		106.6		—		1,795.4
Net amount reclassified from accumulated other comprehensive loss	—		0.8		344.0		13.1		—		357.9
Net other comprehensive income (loss)	(122.7)		(11.1)		2,167.4		119.7		—		2,153.3
Ending balance at December 31, 2021	$	(1,550.2)	$	3.7	$	(2,583.6)	$	(213.0)	$	—	$	(4,343.1)

(1) Accumulated other comprehensive loss as of January 1, 2019 consists of $5.73 billion of accumulated other comprehensive loss attributable to controlling interest and $11.0 million of accumulated other comprehensive loss attributable to noncontrolling interest.

The tax effects on the net activity related to each component of other comprehensive income (loss) for the years ended December 31, were as follows:

Tax benefit (expense)	2021		2020		2019
Foreign currency translation gains/losses	$	(136.2)	$	128.3	$	(18.4)
Unrealized net gains/losses on securities	4.7		(4.3)		(7.4)
Defined benefit pension and retiree health benefit plans	(532.0)		44.8		184.1
Effective portion of cash flow hedges	(31.8)		32.1		(7.3)
Benefit/(provision) for income taxes allocated to other comprehensive income (loss) items	$	(695.3)	$	200.9	$	151.0

Schedule of Amounts Recognized in Other Comprehensive Loss

Reclassifications out of accumulated other comprehensive loss were as follows:

Details about Accumulated Other Comprehensive Loss Components	Year Ended December 31,						Affected Line Item in the Consolidated Statements of Operations
	2021		2020		2019
Amortization of retirement benefit items:
Prior service benefits, net	$	(55.4)	$	(55.0)	$	(56.8)	Other—net, (income) expense
Actuarial losses	490.9		393.3		286.8		Other—net, (income) expense
Total before tax	435.5		338.3		230.0
Tax benefit	(91.5)		(71.0)		(48.3)		Income taxes
Net of tax	344.0		267.3		181.7
Other, net of tax	13.9		16.1		(51.5)		Other—net, (income) expense
Reclassifications from continuing operations (net of tax)	357.9		283.4		130.2
Reclassifications from discontinued operations (net of tax)	—		—		84.0		Net income from discontinued operations
Total reclassifications for the period, net of tax	$	357.9	$	283.4	$	214.2