Consolidated Balance Sheets (USD $) In Millions, unless otherwise specified	Mar. 31, 2013	Dec. 31, 2012
Current assets:
Cash and cash equivalents	$ 1,263	$ 2,301
Receivables
Commissions and fees	2,994	2,858
Advanced premiums and claims	76	62
Other	211	244
Gross receivables	3,281	3,164
Less-allowance for doubtful accounts and cancellations	(105)	(106)
Net receivables	3,176	3,058
Current deferred tax assets	436	410
Other current assets	222	194
Total current assets	5,097	5,963
Goodwill and intangible assets	7,199	7,261
Fixed assets(net of accumulated depreciation and amortization of $1,586 at March 31, 2013 and $1,582 at December 31, 2012)	793	809
Pension related assets	580	260
Deferred tax assets	1,129	1,223
Other assets	739	772
Total assets	15,537	16,288
Current liabilities:
Short-term debt	10	260
Accounts payable and accrued liabilities	1,808	1,721
Accrued compensation and employee benefits	746	1,473
Accrued income taxes	148	110
Dividends payable	128
Total current liabilities	2,840	3,564
Fiduciary liabilities	4,396	3,992
Less - cash and investments held in a fiduciary capacity	(4,396)	(3,992)
Net fiduciary assets	0	0
Long-term debt	2,705	2,658
Pension, postretirement and postemployment benefits	1,993	2,094
Liabilities for errors and omissions	433	460
Other liabilities	853	906
Commitments and contingencies
Equity:
Preferred stock, $1 par value, authorized 6,000,000 shares, none issued	0	0
Common stock, $1 par value, authorized 1,600,000,000 shares, issued 560,641,640 shares at March 31,2013 and December 31, 2012	561	561
Additional paid-in capital	993	1,107
Retained earnings	8,786	8,628
Accumulated other comprehensive loss	(3,379)	(3,307)
Non-controlling interests	73	64
Stockholders' equity before treasury stock	7,034	7,053
Less – treasury shares, at cost, 10,373,289 shares at March 31, 2013 and 15,133,774 shares at December 31, 2012	(321)	(447)
Total Equity	6,713	6,606
Total liabilities and stockholders' equity	$ 15,537	$ 16,288