Consolidated Statements of Financial Position (USD $) In Millions, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
CURRENT ASSETS
Cash and cash equivalents	$ 374	$ 477
Short-term investments	394	523
Receivables, net	2,815	2,896
Fiduciary assets	11,638	11,871
Other current assets	602	563
Total Current Assets	15,823	16,330
Goodwill	8,860	8,997
Intangible assets, net	2,520	2,578
Fixed assets, net	765	791
Investments	143	132
Non-current deferred tax assets	144	193
Other non-current assets	1,517	1,230
TOTAL ASSETS	29,772	30,251
CURRENT LIABILITIES
Fiduciary liabilities	11,638	11,871
Short-term debt and current portion of long-term debt	783	703
Accounts payable and accrued liabilities	1,805	1,931
Other current liabilities	788	906
Total Current Liabilities	15,014	15,411
Long-term debt	4,799	3,686
Non-current deferred tax liabilities	313	420
Pension, other post retirement, and post employment liabilities	2,141	1,607
Other non-current liabilities	874	932
TOTAL LIABILITIES	23,141	22,056
EQUITY
Ordinary shares - $0.01 nominal value Authorized: 750 shares (issued: 2014 - 280.0; 2013 - 300.7)	3	3
Additional paid-in capital	5,097	4,785
Retained earnings	4,605	5,731
Accumulated other comprehensive loss	(3,134)	(2,374)
TOTAL AON SHAREHOLDERS' EQUITY	6,571	8,145
Noncontrolling interests	60	50
TOTAL EQUITY	6,631	8,195
TOTAL LIABILITIES AND EQUITY	$ 29,772	$ 30,251