Consolidated Balance Sheets $ in Millions		Dec. 31, 2020 USD ($) shares		Dec. 31, 2019 USD ($) shares
Assets
Fixed maturities available for sale, at fair value, net of valuatuon allowance - $20 at December 31, 2010 (amortized cost – $85,188 and $82,580)		$ 90,699		$ 85,488
Debt securities, held to maturity, net carrying value		11,653
Debt Securities, Held-to-maturity		11,697		12,581
Equity Securities, at fair value		4,027		812
short-term investments amortized cost		4,349		4,291
Short-term investments, at fair value (amortized cost - $4,349 and $4,291)		4,345		4,291
Other investments, at fair value		7,945		6,062
Total investments		118,669		109,234
Cash		1,747	[1]	1,537	[2]
Restricted Cash		89		109
Securities lending collateral		1,844		994
Accrued investment income		867		867
Premium Receivable, Allowance for Credit Loss		44		44
Insurance and reinsurance balances receivable, net of valuation allowance - $44 and $44		10,480		10,357
Reinsurance Recoverable, Allowance for Credit Loss		314		316
Reinsurance recoverable on losses and loss expenses, net of valuation allowance - $314 and $316	[3]	15,592		15,181
Reinsurance recoverable on policy benefits		206		197
Deferred policy acquisition costs		5,402		5,242
Value of business acquired		263		306
Goodwill		15,400		15,296
Other intangible assets		5,811		6,063
Prepaid reinsurance premiums		2,769		2,647
Investments in partially-owned insurance companies		2,813		1,332
Other assets		8,822		7,581
Total assets		190,774		176,943
Liabilities
Unpaid losses and loss expenses		67,811		62,690
Unearned premiums		17,652		16,771
Future policy benefits		5,713		5,373
Insurance and reinsurance balances payable		6,708		6,184
Securities lending payable		1,844		994
Accounts payable, accrued expenses, and other liabilities		14,052		12,214
Deferred Income Tax Liabilities		892		804
Repurchase agreements		1,405		1,416
Short-term debt		0		1,299
Long-term debt		14,948		13,559
Trust preferred securities		308		308
Total liabilities		131,333		121,612
Commitments and contingencies (refer to Note 10)
Shareholders' equity
Common Shares (CHF 24.15 par value; 477,605,264 and 479,783,864 shares issued; 450,732,625 and 451,971,567 shares outstanding)		11,064		11,121
Common Shares in treasury (26,872,639 and 27,812,297 shares)		(3,644)		(3,754)
Additional Paid in Capital		9,815		11,203
Retained earnings		39,337		36,142
Accumulated other comprehensive income (AOCI)		2,869		619
Total shareholders' equity		59,441		55,331
Total liabilities and shareholders’ equity		190,774		176,943
Debt Securities, Available-for-sale, Allowance for Credit Loss		20		0
Fixed maturities available for sale, at amortized cost		85,188		82,580
Debt Securities, Held-to-maturity, Allowance for Credit Loss		44		0
Debt Securities, Held-to-maturity, Fair Value		$ 12,510		$ 13,005
Common Shares, shares issued | shares		477,605,264		479,783,864
Common Shares, shares outstanding | shares		450,732,625		451,971,567
Treasury Stock, Shares | shares		26,872,639		27,812,297

[1] Chubb maintains two notional multicurrency cash pools (Pools) with a third-party bank. Refer to Note 1 f) for additional information. At December 31, 2020, the cash balance of one or more entities was negative; however, the overall Pool balances were positive.

[2] Chubb maintains two notional multicurrency cash pools (Pools) with a third-party bank. Refer to Note 1 f) for additional information.

[3] Net of valuation allowance for uncollectible reinsurance.