Fair Value Measurements (Tables)

9 Months Ended

Sep. 30, 2018

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, 2018 and December 31, 2017.

	Identical Assets (Level 1)				Observable Inputs (Level 2)				Unobservable Inputs (Level 3)				Total
(In millions)	09/30/18		12/31/17		09/30/18		12/31/17		09/30/18		12/31/17		09/30/18		12/31/17
Assets:
Financial instruments owned:
Exchange traded equity securities(a)	$	119	$	81	$	—	$	—	$	—	$	—	$	119	$	81
Mutual funds(a)	153		158		—		—		—		—		153		158
Money market funds(b)	31		143		—		—		—		—		31		143
Other equity investment(a)	—		—		8		—		—		—		8		—
Total assets measured at fair value	$	303	$	382	$	8	$	—	$	—	$	—	$	311	$	382
Fiduciary Assets:
Money market funds	$	69	$	111	$	—	$	—	$	—	$	—	$	69	$	111
Total fiduciary assets measured at fair value	$	69	$	111	$	—	$	—	$	—	$	—	$	69	$	111
Liabilities:
Contingent purchase consideration liability(c)	$	—	$	—	$	—	$	—	$	168	$	189	$	168	$	189
FX contract(d)	—		—		—		—		100		—		100		—
Total liabilities measured at fair value	$	—	$	—	$	—	$	—	$	268	$	189	$	268	$	189

^(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.

^(d) Included in accounts payable and accrued 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 for the three and nine month periods ending September 30, 2018 and 2017 that represent the FX Contract and contingent consideration related to acquisitions:

	Three Months Ended September 30,						Nine Months Ended September 30,
(In millions)	2018			2017			2018			2017
Balance at beginning of period,	$	185		$	203		$	189		$	241
Additions	8			2			34			36
Payments	(35		)	(42		)	(76		)	(107		)
Revaluation Impact	8			5			19			(3		)
Change in fair value of the FX contract	100			—			100			—
Other (a)	2			2			2			3
Balance at September 30,	$	268		$	170		$	268		$	170

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