Supplemental Disclosures

12 Months Ended

Dec. 31, 2015

Supplemental Cash Flow Information [Abstract]

Supplemental Disclosures

Supplemental Disclosures

The following schedule provides additional information concerning acquisitions, interest and income taxes paid:

(In millions of dollars)	2015			2014			2013
Assets acquired, excluding cash	$	1,327		$	815		$	217
Liabilities assumed	(199		)	(64		)	(53		)
Contingent/deferred purchase consideration	(176		)	(197		)	(39		)
Net cash outflow for current year acquisitions	952			554			125
Purchase of other intangibles	—			—			2
Net cash outflow for acquisitions	$	952		$	554		$	127

(In millions of dollars)	2015		2014		2013
Interest paid	$	146	$	172	$	170
Income taxes paid, net of refunds	$	433	$	426	$	360

The Company paid deferred purchase consideration related to prior years' acquisitions of $36 million, $25 million and $15 million for the years ended December 31, 2015, 2014 and 2013, respectively.

The Company had non-cash issuances of common stock under its share-based payment plan of $72 million, $108 million and $150 million for the years ended December 31, 2015, 2014 and 2013, respectively. The Company recorded stock-based compensation expense related to equity awards of $67 million, $75 million and $110 million for the years ended December 31, 2015, 2014 and 2013, respectively.

The consolidated statement of cash flows includes the cash flow impact of discontinued operations related to indemnification payments from the Putnam disposition that reduced the net cash flow provided by operations by $82 million in 2015.

An analysis of the allowance for doubtful accounts is as follows:

For the Years Ended December 31,
(In millions of dollars)	2015			2014			2013
Balance at beginning of year	$	95		$	98		$	106
Provision charged to operations	14			20			16
Accounts written-off, net of recoveries	(18		)	(17		)	(19		)
Effect of exchange rate changes and other	(4		)	(6		)	(5		)
Balance at end of year	$	87		$	95		$	98