Supplemental Disclosures (Tables)

12 Months Ended

Dec. 31, 2021

Supplemental Cash Flow Information [Abstract]

Additional information concerning acquisitions, interest and income taxes paid

The following table provides additional information concerning acquisitions, interest and income taxes paid:

For the Years Ended December 31,
(In millions)	2021		2020		2019
Assets acquired, excluding cash	$	1,697	$	929	$	8,655
Fiduciary liabilities assumed	(18)		(21)		(1,276)
Liabilities assumed	(213)		(78)		(2,804)
Non-controlling interests assumed	(64)		—		(280)
Fair value of previously-held equity method investment	(390)		—		—
Contingent and deferred purchase consideration	(153)		(183)		(66)
Net cash outflow for acquisitions	$	859	$	647	$	4,229

(In millions)	2021		2020		2019
Interest paid	$	441	$	481	$	427
Income taxes paid, net of refunds	$	1,069	$	673	$	661

The following amounts are included in the consolidated statements of cash flows as operating and financing activities:

For the Years Ended December 31,
(In millions)	2021		2020		2019
Operating:
Contingent consideration payments	$	(49)	$	(48)	$	(41)
Prior year dispositions cash received	19		—		—
Acquisition/disposition related net charges for adjustments	57		26		68
Adjustments and payments related to contingent consideration	$	27	$	(22)	$	27
Financing:
Contingent purchase consideration	$	(28)	$	(54)	$	(22)
Deferred purchase consideration related to prior years' acquisitions	(89)		(68)		(43)
Payments of deferred and contingent consideration for acquisitions	$	(117)	$	(122)	$	(65)
Receipt of contingent consideration related to prior year dispositions	$	71	$	—	$	—

Analysis of allowance for doubtful accounts

An analysis of the allowance for credit losses for the years ended December 31, 2021 and 2020 is provided below. The analysis for 2019 is based on the Company's allowance for doubtful accounts model prior to adoption of the new accounting guidance:

For the Years Ended December 31,
(In millions)	2021		2020		2019
Balance at beginning of year	$	142	$	140	$	112
Provision charged to operations	46		47		32
Accounts written-off, net of recoveries	(16)		(30)		(16)
Effect of exchange rate changes and other	(6)		(15)		12
Balance at end of year	$	166	$	142	$	140