CONSOLIDATED BALANCE SHEETS (USD $) In Millions, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011
Current assets:
Cash and cash equivalents	$ 824.1	$ 760.0
Short-term investments	15.4	14.8
Accounts receivable, net of allowances of $30.0 in 2012 and $28.0 in 2011	530.5	489.8
Deferred tax assets, net	39.6	82.2
Other current assets	109.8	77.6
Total current assets	1,519.4	1,424.4
Property and equipment, net of accumulated depreciation of $286.6 in 2012 and $258.2 in 2011	317.4	326.8
Goodwill	638.1	642.9
Intangible assets, net	238.0	253.6
Deferred tax assets, net	150.9	146.4
Other assets	100.1	82.0
Total assets	2,963.9	2,876.1
Current liabilities:
Accounts payable and accrued liabilities	300.1	452.3
Unrecognized tax benefits		90.0
Current portion of long-term debt	127.5	71.3
Deferred revenue	567.6	520.4
Total current liabilities	995.2	1,134.0
Non-current portion of deferred revenue	94.6	97.7
Long-term debt	1,110.8	1,172.5
Deferred tax liabilities, net	59.1	49.6
Unrecognized tax benefits	130.0	115.4
Other liabilities	395.4	404.8
Total liabilities	2,785.1	2,974.0
Contingencies (Note 14)
Redeemable noncontrolling interest	70.5	60.5
Shareholders' equity(deficit):
Preferred stock, par value $.01 per share; 10,000,000 shares authorized; no shares issued and outstanding
Capital surplus	367.8	394.5
Retained earnings	4,486.3	4,176.1
Treasury stock, at cost; 120,619,040 and 120,462,232 shares of common stock at June 30, 2012 and December 31, 2011, respectively	(4,637.6)	(4,635.5)
Accumulated other comprehensive loss	(120.8)	(107.5)
Total Moody's shareholders' equity (deficit)	99.1	(169.0)
Noncontrolling interests	9.2	10.6
Total shareholders' equity (deficit)	108.3	(158.4)
Total liabilities, redeemable noncontrolling interest and shareholders' equity (deficit)	2,963.9	2,876.1
Series common stock
Shareholders' equity(deficit):
Common stock
Common Stock
Shareholders' equity(deficit):
Common stock	$ 3.4	$ 3.4