Consolidated Balance Sheets - USD ($) $ in Millions	Mar. 31, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 5,345	$ 4,937
Fixed maturity securities (amortized cost of $20,211 and $19,021; allowance for credit losses of $51 and $0)	19,881	19,676
Equity securities	570	1,009
Premium receivables	5,786	5,014
Self-funded receivables	2,613	2,570
Other receivables	2,926	2,807
Other current assets	4,135	3,020
Total current assets	41,256	39,033
Long-term investments:
Fixed maturity securities (amortized cost of $489 and $487; allowance for credit losses of $0 and $0)	505	505
Other invested assets	4,181	4,258
Property and equipment, net	3,350	3,133
Goodwill	21,661	20,500
Other intangible assets	9,613	8,674
Other noncurrent assets	1,833	1,350
Total assets	82,399	77,453
Policy Liabilities
Medical claims payable	9,902	8,842
Other policyholder liabilities	3,252	3,050
Unearned income	947	1,017
Accounts payable and accrued expenses	5,058	4,198
Short-term borrowings	1,075	700
Current portion of long-term debt	1,603	1,598
Other current liabilities	5,202	4,127
Total current liabilities	27,039	23,532
Long-term debt, less current portion	19,005	17,787
Reserves for future policy benefits, noncurrent	754	759
Deferred tax liabilities, net	2,213	2,227
Other noncurrent liabilities	1,695	1,420
Total liabilities	50,706	45,725
Commitment and contingencies – Note 11
Shareholders' equity
Preferred stock, without par value, shares authorized – 100,000,000; shares issued and outstanding – none	0	0
Common stock, par value $0.01, shares authorized – 900,000,000; shares issued and outstanding – 252,020,028 and 252,922,161	3	3
Additional paid-in capital	9,338	9,448
Retained earnings	23,360	22,573
Accumulated other comprehensive loss	(1,008)	(296)
Total shareholders' equity	31,693	31,728
Total liabilities and shareholders' equity	$ 82,399	$ 77,453