Consolidated Balance Sheets € in Millions, £ in Millions, $ in Millions, ¥ in Billions		Mar. 31, 2020 USD ($)		Dec. 31, 2019 USD ($)
ASSETS
Investments in fixed maturity securities		$ 17,923		$ 18,685
Investments in equity securities		180,782	[1]	248,027	[2]
Loans and finance receivables		17,660		17,527
Inventories		20,172		19,852
Equipment held for lease		14,899		15,065
Goodwill		81,659		81,882
Deferred charges under retroactive reinsurance contracts		13,488		13,747
Total assets		760,448		817,729
LIABILITIES
Unpaid losses and loss adjustment expenses		73,362		73,019
Unpaid losses and loss adjustment expenses under retroactive reinsurance contracts		42,269		42,441
Income taxes, principally deferred		52,571		66,799
Total liabilities		385,213		389,166
Shareholders’ equity:
Common stock		8		8
Capital in excess of par value		35,619		35,658
Accumulated other comprehensive income		(6,721)		(5,243)
Retained earnings		352,359		402,493
Treasury stock, at cost		(9,700)		(8,125)
Berkshire Hathaway shareholders’ equity		371,565		424,791
Noncontrolling interests		3,670		3,772
Total shareholders’ equity		375,235		428,563
Total liabilities and shareholders' equity		760,448		817,729
Insurance and Other [Member]
ASSETS
Cash and cash equivalents	[3]	38,717		61,151
Short-term investments in U.S. Treasury Bills		94,623		63,822
Investments in fixed maturity securities		17,923		18,685
Investments in equity securities		180,782		248,027
Equity method investments		17,483		17,505
Loans and finance receivables		17,660		17,527
Other receivables		34,720		32,418
Inventories		20,172		19,852
Property, plant and equipment		21,258		21,438
Equipment held for lease		14,899		15,065
Goodwill		56,990		57,052
Other intangible assets		30,693		31,051
Deferred charges under retroactive reinsurance contracts		13,488		13,747
Other		13,593		13,232
Total assets		573,001		630,572
LIABILITIES
Unpaid losses and loss adjustment expenses		73,362		73,019
Unpaid losses and loss adjustment expenses under retroactive reinsurance contracts		42,269		42,441
Unearned premiums		21,718		19,782
Life, annuity and health insurance benefits		20,193		20,155
Other policyholder liabilities		7,753		7,723
Accounts payable, accruals and other liabilities		25,565		27,611
Payable for purchase of U.S. Treasury Bills		8,630
Derivative contract liabilities		2,361		968
Aircraft repurchase liabilities and unearned lease revenues		5,291		5,281
Notes payable and other borrowings		37,486		37,590
Total liabilities		244,628		234,570
Railroad, Utilities and Energy [Member]
ASSETS
Cash and cash equivalents	[3]	3,923		3,024
Receivables		3,237		3,417
Property, plant and equipment		137,264		137,838
Goodwill		24,669		24,830
Regulatory assets		2,963		2,881
Other		15,391		15,167
Total assets		187,447		187,157
LIABILITIES
Accounts payable, accruals and other liabilities		14,049		14,708
Regulatory liabilities		7,218		7,311
Notes payable and other borrowings		66,747		65,778
Total liabilities		$ 88,014		$ 87,797

[1] Approximately 69% of the aggregate fair value was concentrated in five companies (American Express Company – $13.0 billion; Apple Inc. – $63.8 billion; Bank of America Corporation – $20.2 billion; The Coca-Cola Company – $17.7 billion and Wells Fargo & Company – $9.9 billion).

[2] Approximately 67% of the aggregate fair value was concentrated in five companies (American Express Company – $18.9 billion; Apple Inc. – $73.7 billion; Bank of America Corporation – $33.4 billion; The Coca-Cola Company – $22.1 billion and Wells Fargo & Company – $18.6 billion).

[3] Cash and cash equivalents included U.S. Treasury Bills with maturities of three months or less when purchased of $19.6 billion at March 31, 2020 and $37.1 billion at December 31, 2019.