Supplemental Disclosures (Tables)

12 Months Ended

Dec. 31, 2014

Supplemental Cash Flow Information [Abstract]

Additional Information Concerning Acquisitions, Interest and Income Taxes Paid

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

(In millions of dollars)	2014			2013			2012
Assets acquired, excluding cash	$	815		$	217		$	380
Released from escrow in 2012	—			—			(62		)
Liabilities assumed	(64		)	(53		)	(42		)
Contingent/deferred purchase consideration	(197		)	(39		)	(46		)
Net cash outflow for current year acquisitions	554			125			230
Purchase of other intangibles	—			2			3
Net cash outflow for acquisitions	$	554		$	127		$	233

(In millions of dollars)	2014		2013		2012
Interest paid	$	172	$	170	$	183
Income taxes paid, net of refunds	$	426	$	360	$	350

Analysis of Allowance For Doubtful Accounts

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

For the Year Ended December 31,
(In millions of dollars)	2014			2013			2012
Balance at beginning of year	$	98		$	106		$	105
Provision charged to operations	20			16			11
Accounts written-off, net of recoveries	(17		)	(19		)	(12		)
Effect of exchange rate changes and other	(6		)	(5		)	2
Balance at end of year	$	95		$	98		$	106