Condensed Consolidated Statements of Financial Position - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Current assets
Cash and cash equivalents	$ 600	$ 656
Short-term investments	134	172
Receivables, net	3,242	2,760
Fiduciary assets	11,412	10,166
Other current assets	531	618
Total current assets	15,919	14,372
Goodwill	8,219	8,171
Intangible assets, net	1,077	1,149
Fixed assets, net	606	588
Operating lease right-of-use assets	993
Deferred tax assets	588	561
Prepaid pension	1,224	1,133
Other non-current assets	509	448
Total assets	29,135	26,422
Current liabilities
Accounts payable and accrued liabilities	1,479	1,943
Short-term debt and current portion of long-term debt	426	251
Fiduciary liabilities	11,412	10,166
Other current liabilities	1,220	936
Total current liabilities	14,537	13,296
Long-term debt	5,990	5,993
Non-current operating lease liabilities	978
Deferred tax liabilities	205	181
Pension, other postretirement, and postemployment liabilities	1,590	1,636
Other non-current liabilities	973	1,097
Total liabilities	24,273	22,203
Equity
Ordinary shares - $0.01 nominal value Authorized: 750 shares (issued: 2019 - 240.9; 2018 - 240.1)	2	2
Additional paid-in capital	5,958	5,965
Retained earnings	2,555	2,093
Accumulated other comprehensive loss	(3,740)	(3,909)
Total Aon shareholders' equity	4,775	4,151
Noncontrolling interests	87	68
Total equity	4,862	4,219
Total liabilities and equity	$ 29,135	$ 26,422