CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Revenue	$ 3,484.5	$ 3,334.3	$ 2,972.5
Expenses
Operating	976.3	930.3	822.4
Selling, general and administrative	921.3	869.3	822.1
Depreciation and amortization	113.5	95.6	93.4
Total expenses	2,011.1	1,895.2	1,737.9
Operating income	1,473.4	1,439.1	1,234.6
Non-operating (expense) income, net
Interest expense, net	(115.1)	(116.8)	(91.8)
Other non-operating income, net	21.3	35.9	26.5
ICRA Gain		102.8
Non-operating income (expense), net	(93.8)	21.9	(65.3)
Income before provision for income taxes	1,379.6	1,461.0	1,169.3
Provision for income taxes	430.0	455.0	353.4
Net income	949.6	1,006.0	815.9
Less: Net income attributable to noncontrolling interests	8.3	17.3	11.4
Net income attributable to Moody's	$ 941.3	$ 988.7	$ 804.5
Earnings per share
Basic	$ 4.7	$ 4.69	$ 3.67
Diluted	$ 4.63	$ 4.61	$ 3.6
Weighted average shares outstanding
Basic	200.1	210.7	219.4
Diluted	203.4	214.7	223.5