Basis of Presentation (Tables)

12 Months Ended

Dec. 31, 2021

The impact to the Consolidated Statements of Cash Flows previously filed in Annual Reports on Form 10-K is as follows (in millions):


	Year Ended December 31, 2020						Year Ended December 31, 2019
	As Reported		Effect of Change		As Revised		As Reported		Effect of Change		As Revised
Cash provided by operating activities	$	2,783	$	—	$	2,783	$	1,835	$	—	$	1,835
Cash used for investing activities	(679)		—		(679)		(229)		—		(229)
Cash provided by (used for) financing activities	(2,088)		316		(1,772)		(1,493)		1,246		(247)
Effect of exchange rates on cash and cash equivalents and funds held on behalf of clients	78		219		297		21		42		63
Net increase in cash and cash equivalents and funds held on behalf of clients	94		535		629		134		1,288		1,422
Cash and cash equivalents and funds held on behalf of clients at beginning of year	790		5,154		5,944		656		3,866		4,522
Cash and cash equivalents and funds held on behalf of clients at end of year	$	884	$	5,689	$	6,573	$	790	$	5,154	$	5,944

The impact to the Consolidated Statements of Cash Flows previously filed in unaudited Quarterly Reports on Form 10-Q is as follows (in millions):


	Three Months Ended March 31, 2021						Six Months Ended June 30, 2021						Nine Months Ended September 30, 2021
	As Reported		Effect of Change		As Revised		As Reported		Effect of Change		As Revised		As Reported		Effect of Change		As Revised
Cash provided by operating activities	$	561	$	—	$	561	$	1,345	$	—	$	1,345	$	1,251	$	—	$	1,251
Cash provided by (used for) investing activities	102		—		102		(27)		—		(27)		(116)		—		(116)
Cash provided by (used for) financing activities	(709)		28		(681)		(1,122)		386		(736)		(1,380)		786		(594)
Effect of exchange rates on cash and cash equivalents and funds held on behalf of clients	(16)		(18)		(34)		11		18		29		(30)		(63)		(93)
Net increase (decrease) in cash and cash equivalents and funds held on behalf of clients	(62)		10		(52)		207		404		611		(275)		723		448
Cash and cash equivalents and funds held on behalf of clients at beginning of year	884		5,689		6,573		884		5,689		6,573		884		5,689		6,573
Cash and cash equivalents and funds held on behalf of clients at end of year	$	822	$	5,699	$	6,521	$	1,091	$	6,093	$	7,184	$	609	$	6,412	$	7,021