Acquisitions (Tables)

12 Months Ended

Dec. 31, 2016

2016 Acquisitions



	Purchase Consideration		Total Net Assets (Liabilities) Acquired			Total Net Deferred Tax Liability			Acquired Intangible Assets		Goodwill
	(in millions)
ISE	$	1,070	$	83		$	(185	)	$	623	$	549
Boardvantage	242		28			(45		)	111		148
Marketwired	111		(1		)	(5		)	31		86
Nasdaq CXC	116		6			(20		)	76		54

Acquired infinite lived intangible assets in acquisition

The following table presents the details of acquired intangible assets in our 2016 and 2015 acquisitions. All acquired intangible assets with finite lives are amortized using the straight-line method.



	2016												2015
	ISE			Boardvantage			Marketwired			Nasdaq CXC			DWA
	($ in millions)
Intangible Assets
Exchange registrations	$	467		$	—		$	—		$	—		$	—
Discount rate used	8.6		%	—			—			—			—
Estimated average remaining useful life	Indefinite			—			—			—			—
Customer relationships	$	148		$	103		$	29		$	76		$	29
Discount rate used	9.1		%	15.5		%	16.4		%	10.3		%	17.5		%
Estimated average remaining useful life	13 years			14 years			6 years			17 years			15 years
Trade name	$	8		$	2		$	2		$	—		$	108
Discount rate used	8.6		%	15.0		%	15.8		%	—			17.0		%
Estimated average remaining useful life	Indefinite			1 year			2 years			—			Indefinite
Technology	$	—		$	6		$	—		$	—		$	4
Discount rate used	—			15.5		%	—			—			17.0		%
Estimated average remaining useful life	—			5 years			—			—			5 years
Total intangible assets	$	623		$	111		$	31		$	76		$	141

Acquired finite lived intangible assets in acquisition



	2016												2015
	ISE			Boardvantage			Marketwired			Nasdaq CXC			DWA
	($ in millions)
Intangible Assets
Exchange registrations	$	467		$	—		$	—		$	—		$	—
Discount rate used	8.6		%	—			—			—			—
Estimated average remaining useful life	Indefinite			—			—			—			—
Customer relationships	$	148		$	103		$	29		$	76		$	29
Discount rate used	9.1		%	15.5		%	16.4		%	10.3		%	17.5		%
Estimated average remaining useful life	13 years			14 years			6 years			17 years			15 years
Trade name	$	8		$	2		$	2		$	—		$	108
Discount rate used	8.6		%	15.0		%	15.8		%	—			17.0		%
Estimated average remaining useful life	Indefinite			1 year			2 years			—			Indefinite
Technology	$	—		$	6		$	—		$	—		$	4
Discount rate used	—			15.5		%	—			—			17.0		%
Estimated average remaining useful life	—			5 years			—			—			5 years
Total intangible assets	$	623		$	111		$	31		$	76		$	141

DWA

Business Acquisition [Line Items]

Acquisition of Businesses

We completed the following acquisitions in 2015. Financial results are included in our Consolidated Statements of Income from the date of each acquisition.



	Purchase Consideration		Total Net Assets Acquired		Total Net Deferred Tax Liability			Acquired Intangible Assets		Goodwill
	(in millions)
DWA	$	226	$	8	$	(34	)	$	141	$	111