Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2017

Fair Value Disclosures [Abstract]

Assets and Liabilities Measured at Fair Value on a Recurring Basis

The following fair value hierarchy table presents information about the Company’s assets and liabilities measured at fair value on a recurring basis as of September 30, 2017 and December 31, 2016.

	Identical Assets (Level 1)				Observable Inputs (Level 2)				Unobservable Inputs (Level 3)				Total
(In millions)	09/30/17		12/31/16		09/30/17		12/31/16		09/30/17		12/31/16		09/30/17		12/31/16
Assets:
Financial instruments owned:
Exchange traded equity securities(a)	$	99	$	89	$	—	$	—	$	—	$	—	$	99	$	89
Mutual funds(a)	143		141		—		—		—		—		143		141
Money market funds(b)	54		22		—		—		—		—		54		22
Total assets measured at fair value	$	296	$	252	$	—	$	—	$	—	$	—	$	296	$	252
Fiduciary Assets:
Money market funds	$	50	$	90	$	—	$	—	$	—	$	—	$	50	$	90
Total fiduciary assets measured at fair value	$	50	$	90	$	—	$	—	$	—	$	—	$	50	$	90
Liabilities:
Contingent purchase consideration liability(c)	$	—	$	—	$	—	$	—	$	170	$	241	$	170	$	241
Total liabilities measured at fair value	$	—	$	—	$	—	$	—	$	170	$	241	$	170	$	241

^(a)  Included in other assets in the consolidated balance sheets.

^(b)  Included in cash and cash equivalents in the consolidated balance sheets.

^(c)  Included in accounts payable and accrued liabilities and other liabilities in the consolidated balance sheets.

Changes in Fair Value of Level 3 Liabilities Representing Acquisition Related Contingent Consideration

The table below sets forth a summary of the changes in fair value of the Company’s Level 3 liabilities as of September 30, 2017 and 2016 that represent contingent consideration related to acquisitions:

	Three Months Ended September 30,						Nine Months Ended September 30,
(In millions)	2017			2016			2017			2016
Balance at beginning of period,	$	203		$	279		$	241		$	309
Additions	2			1			36			9
Payments	(42		)	(35		)	(107		)	(85		)
Revaluation Impact	5			(13		)	(3		)	5
Other (a)	2			—			3			(6		)
Balance at September 30,	$	170		$	232		$	170		$	232

^(a) Primarily reflects the impact of foreign exchange.