Condensed Consolidated Statements of Financial Position (unaudited) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2020 USD ($)	Jun. 30, 2020 USD ($)	Dec. 31, 2019 USD ($)
Statement of Financial Position [Abstract]
Impairment of purchased intangibles	$ 0	$ 0
Investments
Fixed income securities, at fair value (amortized cost, net $60,534 and $56,293)	64,448	64,448	$ 59,044
Equity securities, at fair value (cost $3,817 and $6,568)	4,212	4,212	8,162
Mortgage loans, net	4,774	4,774	4,817
Limited partnership interests	6,941	6,941	8,078
Short-term investments	5,344	5,344	4,256
Other, net	3,918	3,918	4,005
Total investments	89,637	89,637	88,362
Cash	547	547	338
Premium installment receivables, net	6,367	6,367	6,472
Deferred policy acquisition costs	4,683	4,683	4,699
Reinsurance and indemnification recoverables, net	9,290	9,290	9,211
Accrued investment income	605	605	600
Property and equipment, net	1,100	1,100	1,145
Goodwill	2,544	2,544	2,545
Other assets, net	3,587	3,587	3,534
Separate Accounts	2,906	2,906	3,044
Total assets	121,266	121,266	119,950
Liabilities
Reserve for property and casualty insurance claims and claims expense	27,426	27,426	27,712
Reserve for life-contingent contract benefits	12,471	12,471	12,300
Contractholder funds	17,396	17,396	17,692
Unearned premiums	15,448	15,448	15,343
Claim payments outstanding	882	882	929
Deferred income taxes	842	842	1,154
Other liabilities and accrued expenses	10,275	10,275	9,147
Long-term debt	6,634	6,634	6,631
Separate Accounts	2,906	2,906	3,044
Total liabilities	94,280	94,280	93,952
Commitments and Contingent Liabilities (Note 12)
Shareholders’ equity
Preferred stock and additional capital paid-in, $1 par value, 25 million shares authorized, 81.0 thousand and 92.5 thousand shares issued and outstanding, $2,025 and $2,313 aggregate liquidation preference	1,970	1,970	2,248
Common stock, $.01 par value, 3.0 billion shares authorized and 900 million issued, 313 million and 319 million shares outstanding	9	9	9
Additional capital paid-in	3,541	3,541	3,463
Retained income	49,380	49,380	48,074
Treasury stock, at cost (587 million and 581 million shares)	(30,542)	(30,542)	(29,746)
Unrealized net capital gains and losses:
Unrealized net capital gains and losses on fixed income securities with credit losses	(1)	(1)	70
Other unrealized net capital gains and losses	3,079	3,079	2,094
Unrealized adjustment to DAC, DSI and insurance reserves	(476)	(476)	(277)
Total unrealized net capital gains and losses	2,602	2,602	1,887
Unrealized foreign currency translation adjustments	(89)	(89)	(59)
Unamortized pension and other postretirement prior service credit	115	115	122
Total accumulated other comprehensive income (“AOCI”)	2,628	2,628	1,950
Total shareholders’ equity	26,986	26,986	25,998
Total liabilities and shareholders’ equity	$ 121,266	$ 121,266	$ 119,950