Consolidated Balance Sheets € in Millions, £ in Millions, $ in Millions, ¥ in Billions		Mar. 31, 2023 USD ($)		Dec. 31, 2022 USD ($)
ASSETS
Investments in fixed maturity securities		$ 22,566		$ 25,128
Investments in equity securities		328,161	[1]	308,793	[2]
Equity method investments		26,403		28,050
Loans and finance receivables		23,144		23,208
Inventories		25,499		25,366
Equipment held for lease		15,674		15,584
Goodwill	[3]	83,502		78,119
Total assets		997,072		948,465
LIABILITIES
Life, annuity and health insurance benefits		19,937
Income taxes, principally deferred		86,206		77,368
Total liabilities		480,812		466,784
Redeemable noncontrolling interests		3,183
Shareholders’ equity:
Common stock		8		8
Capital in excess of par value		35,156		35,167
Accumulated other comprehensive income		(4,976)		(5,052)
Retained earnings		546,631		511,127
Treasury stock, at cost		(72,265)		(67,826)
Berkshire Hathaway shareholders’ equity		504,554		473,424
Noncontrolling interests		8,523		8,257
Total shareholders’ equity		513,077		481,681
Total liabilities and shareholders' equity		997,072		948,465
Insurance and Other [Member]
ASSETS
Cash and cash equivalents	[4]	23,805		32,260
Short-term investments in U.S. Treasury Bills		103,869		92,774
Investments in fixed maturity securities		22,566		25,128
Investments in equity securities		328,161		308,793
Equity method investments		26,403		28,050
Loans and finance receivables		23,144		23,208
Other receivables		45,674		43,490
Inventories		25,499		25,366
Property, plant and equipment		21,208		21,113
Equipment held for lease		15,674		15,584
Goodwill		50,997		51,522
Other intangible assets		30,001		29,187
Deferred charges - retroactive reinsurance		9,699		9,870
Other		19,729		19,657
Total assets		746,429		726,002
LIABILITIES
Unpaid losses and loss adjustment expenses		107,957		107,472
Unpaid losses and loss adjustment expenses under retroactive reinsurance contracts		35,063		35,415
Unearned premiums		30,359		28,657
Life, annuity and health insurance benefits		19,937		19,753
Other policyholder liabilities		11,231		11,370
Accounts payable, accruals and other liabilities		32,842		33,201
Aircraft repurchase liabilities and unearned lease revenues		7,052		6,820
Notes payable and other borrowings		41,436		46,538
Total liabilities		285,877		289,226
Railroad, Utilities and Energy [Member]
ASSETS
Cash and cash equivalents	[4]	2,942		3,551
Receivables		6,814		4,795
Property, plant and equipment		168,973		160,268
Goodwill		32,505		26,597
Regulatory assets		5,557		5,062
Other		33,852		22,190
Total assets		250,643		222,463
LIABILITIES
Accounts payable, accruals and other liabilities		19,683		16,615
Regulatory liabilities		6,858		7,369
Notes payable and other borrowings		82,188		76,206
Total liabilities		$ 108,729		$ 100,190

[1] Approximately 77% of the aggregate fair value was concentrated in five companies (American Express Company – $25.0 billion; Apple Inc. – $151.0 billion; Bank of America Corporation – $29.5 billion; The Coca-Cola Company – $24.8 billion and Chevron Corporation – $21.6 billion).

[2] Approximately 75% of the aggregate fair value was concentrated in five companies (American Express Company – $22.4 billion; Apple Inc. – $119.0 billion; Bank of America Corporation – $34.2 billion; The Coca-Cola Company – $25.4 billion and Chevron Corporation – $30.0 billion).

[3] Net of accumulated goodwill impairments of $11.0 billion as of March 31, 2023 and December 31, 2022.

[4] Includes U.S. Treasury Bills with maturities of three months or less when purchased of $3.6 billion at March 31, 2023 and $2.6 billion at December 31, 2022.