Condensed Consolidated Balance Sheets - USD ($) $ in Millions	Mar. 31, 2019	Dec. 31, 2018
Current assets:
Cash and cash equivalents	$ 12,407	$ 10,866
Short-term investments	3,303	3,458
Accounts receivable, net	12,826	11,388
Other current receivables, net	7,631	6,862
Assets under management	2,951	3,032
Prepaid expenses and other current assets	3,697	3,086
Total current assets	42,815	38,692
Long-term investments	33,553	32,510
Property, equipment and capitalized software, net	8,230	8,458
Goodwill	59,379	58,910
Other intangible assets, net	9,245	9,325
Other assets	7,975	4,326
Total assets	161,197	152,221
Current liabilities:
Medical costs payable	21,139	19,891
Accounts payable and accrued liabilities	16,900	16,705
Commercial paper and current maturities of long-term debt	3,919	1,973
Unearned revenues	2,530	2,396
Other current liabilities	14,445	12,244
Total current liabilities	58,933	53,209
Long-term debt, less current maturities	34,419	34,581
Deferred income taxes	2,786	2,474
Other liabilities	8,554	5,730
Total liabilities	104,692	95,994
Commitments and contingencies (Note 6)
Redeemable noncontrolling interests	2,054	1,908
Equity:
Preferred stock, $0.001 par value - 10 shares authorized; no shares issued or outstanding	0	0
Common stock, $0.01 par value - 3,000 shares authorized; 953 and 960 issued and outstanding	10	10
Retained earnings	55,472	55,846
Accumulated other comprehensive loss	(3,758)	(4,160)
Nonredeemable noncontrolling interests	2,727	2,623
Total equity	54,451	54,319
Total liabilities, redeemable noncontrolling interests and equity	$ 161,197	$ 152,221