Consolidated Balance Sheets - USD ($) $ in Millions		Dec. 31, 2021	Dec. 31, 2020
Assets
Fixed maturities available for sale, at fair value, net of valuation allowance - $14 and $20 (amortized cost – $90,493 and $85,188)		$ 93,108	$ 90,699
Fixed maturities held to maturity, at amortized cost, net of valuation allowance - $35 and $44 (fair value – $10,647 and $12,510)		10,118	11,653
Equity securities, at fair value		4,782	4,027
Short-term investments, at fair value (amortized cost – $3,147 and $4,349)		3,146	4,345
Other investments, at fair value		11,169	7,945
Total investments		122,323	118,669
Cash		1,659	1,747
Restricted cash		152	89
Securities lending collateral		1,831	1,844
Accrued investment income		821	867
Insurance and reinsurance balances receivable, net of valuation allowance - $46 and $44		11,322	10,480
Reinsurance recoverable on losses and loss expenses, net of valuation allowance - $329 and $314	[1]	17,366	15,592
Reinsurance recoverable on policy benefits		213	206
Deferred policy acquisition costs		5,513	5,402
Value of business acquired		236	263
Goodwill		15,213	15,400
Other intangible assets		5,455	5,811
Prepaid reinsurance premiums		3,028	2,769
Investments in partially-owned insurance companies		3,130	2,813
Other assets		11,792	8,822
Total assets		200,054	190,774
Liabilities
Unpaid losses and loss expenses		72,943	67,811
Unearned premiums		19,101	17,652
Future policy benefits		5,947	5,713
Insurance and reinsurance balances payable		7,243	6,708
Securities lending payable		1,831	1,844
Accounts payable, accrued expenses, and other liabilities		15,004	14,052
Deferred tax liabilities		389	892
Repurchase agreements		1,406	1,405
Short-term debt		999	0
Long-term debt		15,169	14,948
Trust preferred securities		308	308
Total liabilities		140,340	131,333
Commitments and contingencies (refer to Note 10)
Shareholders' equity
Common Shares (CHF 24.15 par value; 474,021,114 and 477,605,264 shares issued; 426,572,612 and 450,732,625 shares outstanding)		10,985	11,064
Common Shares in treasury (47,448,502 and 26,872,639 shares)		(7,464)	(3,644)
Additional paid-in capital		8,478	9,815
Retained earnings		47,365	39,337
Accumulated other comprehensive income (AOCI)		350	2,869
Total shareholders’ equity		59,714	59,441
Total liabilities and shareholders’ equity		$ 200,054	$ 190,774

[1] Net of valuation allowance for uncollectible reinsurance.