Goodwill and Other Intangibles (Tables)

6 Months Ended

Jun. 30, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Changes in the Carrying Amount of Goodwill

Changes in the carrying amount of goodwill are as follows:

June 30,
(In millions of dollars)	2016			2015
Balance as of January 1, as reported	$	7,889		$	7,241
Goodwill acquired	62			188
Other adjustments(a)	(6		)	(48		)
Balance at June 30,	$	7,945		$	7,381

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

Amortized Intangible Assets

The gross cost and accumulated amortization at June 30, 2016 and December 31, 2015 are as follows:

	June 30, 2016						December 31, 2015
(In millions of dollars)	Gross Cost		Accumulated Amortization		Net Carrying Amount		Gross Cost		Accumulated Amortization		Net Carrying Amount
Client Relationships	$	1,229	$	359	$	870	$	1,281	$	347	$	934
Other (a)	150		65		85		176		74		102
Amortized intangibles	$	1,379	$	424	$	955	$	1,457	$	421	$	1,036

(a) Primarily non-compete agreements, trade names and developed technology.

Estimated Future Aggregate Amortization Expense

The estimated future aggregate amortization expense is as follows:

For the Years Ending December 31,
(In millions of dollars)	Estimated Expense
2016 (excludes amortization through June 30, 2016)	$	66
2017	120
2018	117
2019	114
2020	95
Subsequent years	443
	$	955