CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Operating Activities:
Net income (loss)		$ (1,291)	$ 871	$ 706
Adjustments to reconcile net income (loss) to net cash provided (used) by operating activities:
Investment (gains) losses	[1]	1,246	(49)	57
Equity method investees		102	20	572
Amortization of investments		(67)	(89)	(70)
Depreciation and amortization		734	943	912
Asset impairments		810	99	44
Provision for deferred income taxes		(235)	70	86
Other non-cash items		61	87	72
Changes in operating assets and liabilities, net:
Receivables		(425)	114	(131)
Deferred acquisition costs		(43)	(26)	(6)
Insurance reserves		1,681	358	482
Other assets		(513)	(356)	(102)
Other liabilities		256	193	(102)
Trading securities		(571)	(494)	1,702
Net cash flow provided by operating activities		1,745	1,741	4,222
Investing Activities:
Purchases of fixed maturities		(10,269)	(8,661)	(10,785)
Proceeds from sales of fixed maturities		5,904	5,842	8,408
Proceeds from maturities of fixed maturities		3,760	2,997	2,370
Purchases of equity securities		(452)	(186)	(258)
Proceeds from sales of equity securities		355	214	89
Purchases of limited partnership investments		(224)	(198)	(420)
Proceeds from sales of limited partnership investments		398	742	470
Purchases of property, plant and equipment		(710)	(1,041)	(995)
Acquisitions		(58)	(257)	(37)
Dispositions		65	140	113
Deconsolidation of Diamond Offshore		(483)
Change in short term investments		427	(57)	(339)
Other, net		(127)	(206)	(60)
Net cash flow used by investing activities		(1,414)	(671)	(1,444)
Financing Activities:
Dividends paid		(70)	(76)	(80)
Dividends paid to noncontrolling interests		(99)	(98)	(121)
Purchase of Boardwalk Pipeline common units				(1,504)
Purchases of Loews Corporation treasury stock		(923)	(1,051)	(1,026)
Purchases of subsidiary stock from noncontrolling interests		(37)	(23)
Principal payments on debt		(1,726)	(1,956)	(1,043)
Issuance of debt		2,659	2,076	865
Other, net		(2)	(16)	74
Net cash flow (used) provided by financing activities		(198)	(1,144)	(2,835)
Effect of foreign exchange rate on cash		9	5	(10)
Net change in cash		142	(69)	(67)
Cash, beginning of year		336	405	472
Cash, end of year		$ 478	$ 336	$ 405

[1] Gross investment gains on available-for-sale securities were $220, $125 and $168 for the years ended December 31, 2020, 2019 and 2018. Gross investment losses on available-for-sale securities were $220, $131 and $164 for the years ended December 31, 2020, 2019 and 2018. For the year ended December 31, 2020, $3 of investment losses were recognized due to the change in fair value of non-redeemable preferred stock still held as of December 31, 2020. For the year ended December 31, 2019, $66 of investment gains were recognized due to the change in fair value of non-redeemable preferred stock still held as of December 31, 2019.