Condensed Consolidated Statements of Financial Position - USD ($) $ in Millions	Sep. 30, 2019	Dec. 31, 2018
Current assets
Cash and cash equivalents	$ 602	$ 656
Short-term investments	177	172
Receivables, net	2,866	2,760
Fiduciary assets	11,041	10,166
Other current assets	631	618
Total current assets	15,317	14,372
Goodwill	8,071	8,171
Intangible assets, net	874	1,149
Fixed assets, net	606	588
Operating lease right-of-use assets	913
Deferred tax assets	611	561
Prepaid pension	1,213	1,133
Other non-current assets	562	448
Total assets	28,167	26,422
Current liabilities
Accounts payable and accrued liabilities	1,499	1,943
Short-term debt and current portion of long-term debt	1,148	251
Fiduciary liabilities	11,041	10,166
Other current liabilities	1,163	936
Total current liabilities	14,851	13,296
Long-term debt	6,120	5,993
Non-current operating lease liabilities	922
Deferred tax liabilities	209	181
Pension, other postretirement, and postemployment liabilities	1,551	1,636
Other non-current liabilities	953	1,097
Total liabilities	24,606	22,203
Equity
Ordinary shares - $0.01 nominal value Authorized: 750 shares (issued: 2019 - 234.1; 2018 - 240.1)	2	2
Additional paid-in capital	6,084	5,965
Retained earnings	1,436	2,093
Accumulated other comprehensive loss	(4,030)	(3,909)
Total Aon shareholders' equity	3,492	4,151
Noncontrolling interests	69	68
Total equity	3,561	4,219
Total liabilities and equity	$ 28,167	$ 26,422