Supplemental Disclosures

12 Months Ended

Dec. 31, 2016

Supplemental Cash Flow Information [Abstract]

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



(In millions of dollars)	2016			2015			2014
Assets acquired, excluding cash	$	960		$	1,327		$	815
Liabilities assumed	(111		)	(199		)	(64		)
Contingent/deferred purchase consideration	(36		)	(176		)	(197		)
Net cash outflow for acquisitions	$	813		$	952		$	554



(In millions of dollars)	2016		2015		2014
Interest paid	$	178	$	146	$	172
Income taxes paid, net of refunds	$	642	$	433	$	426

The classification of deferred or contingent consideration in the statement of cash flows is dependent upon whether the payment was part of the initial liability established on the acquisition date (financing) or an adjustment to the acquisition date liability (operating).

The following amounts are included in the consolidated statements of cash flows as a financing activity. The Company paid deferred and contingent consideration of $98 million in the year ended December 31, 2016, consisting of deferred purchase consideration of $54 million and contingent purchase consideration of $44 million. In the year ended December 31, 2015 the Company paid deferred and contingent consideration of $49 million, consisting of deferred purchase consideration of $36 million and contingent consideration of $13 million, and in the year ended December 31, 2014 the Company paid deferred and contingent consideration of $55 million, consisting of deferred purchase consideration of $25 million and contingent consideration of $30 million.

The following amounts are included in the operating section of the consolidated statements of cash flows. For the year ended December 31, 2016, the Company recorded a net charge for adjustments to acquisition related accounts of $9 million and contingent consideration payments of $42 million. For the year ended December 31, 2015, the Company recorded a net charge for adjustments to acquisition related accounts of $45 million and contingent consideration payments of $34 million, and for the year ended December 31, 2014 the Company recorded a net charge for adjustments to acquisition related accounts of $31 million and contingent consideration payments of $12 million.

The Company had non-cash issuances of common stock under its share-based payment plan of $73 million, $72 million and $108 million for the years ended December 31, 2016, 2015 and 2014, respectively. The Company recorded stock-based compensation expense related to equity awards of $87 million, $67 million and $75 million for the years ended December 31, 2016, 2015 and 2014, 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)	2016			2015			2014
Balance at beginning of year	$	87		$	95		$	98
Provision charged to operations	31			14			20
Accounts written-off, net of recoveries	(20		)	(18		)	(17		)
Effect of exchange rate changes and other	(2		)	(4		)	(6		)
Balance at end of year	$	96		$	87		$	95