Number of shares acquired upon exercise of warrants.

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Number of shares purchased.

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Liquidation value of preferred shares.

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The per share amount of a special cash dividend to be paid by an investee company to the common stock shareholders of a merging company.

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Minimum annual revenue reported by the merging company.

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- Definition

Payments to acquire an investment in preferred stock and common stock of an equity method investee.

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The ratio of shares of common stock of an investee to be issued per share of common stock of a merging company.

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No definition available.

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- Definition

Exercise price of the warrants.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 12

-Section 13

-Sentence Column A

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 323

-SubTopic 10

-Section 50

-Paragraph 3

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The profit or loss on sales of previously unissued stock by equity investees made to investors outside the consolidated group that is not reported as operating income. Represents the difference in the parent company's carrying amount of the equity interest in the subsidiary or equity investee immediately before and after the transaction.

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No definition available.

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- Definition

Balance held at close of period in number of shares.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 946

-SubTopic 320

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The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

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-Publisher FASB

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-Topic 230

-SubTopic 10

-Section 45

-Paragraph 13

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The percentage rate used to calculate dividend payments on preferred stock.

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The number of shares issued or sold by the subsidiary or equity method investee per stock transaction.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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The maximum number of shares (or other type of equity) originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the equity-based compensation plan. As stock or unit options and equity instruments other than options are awarded to participants, the shares or units remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).

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-Paragraph 2

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Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

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-Subparagraph (SAB TOPIC 4.C)

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-Glossary Stock Split

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Percentage of subsidiary's or equity method investee's stock owned by parent immediately after all stock transactions.

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Investments in The Kraft Heinz Company - Narrative (Detail)				1 Months Ended		3 Months Ended	9 Months Ended
	Jul. 02, 2015 shares	Jul. 01, 2015 USD ($) shares	Jun. 07, 2013 USD ($) shares	Jun. 30, 2015 $ / shares shares	Mar. 31, 2015 $ / shares	Sep. 30, 2015 USD ($)	Sep. 30, 2015 USD ($)
Kraft Heinz (previously Heinz Holding) [Member] \| Common Stock [Member]
Schedule of Equity Method Investments [Line Items]
Reverse stock split ratio		0.443332
Non-cash pre-tax holding gain \| $						$ 6,800,000,000	$ 6,800,000,000
Kraft Heinz (previously Heinz Holding) [Member] \| Berkshire Hathaway (Parent) [Member]
Schedule of Equity Method Investments [Line Items]
Equity method investment ownership percentage		52.50%
Equity method investment ownership percentage after transactions	26.80%
Kraft Heinz (previously Heinz Holding) [Member] \| Berkshire Hathaway (Parent) [Member] \| Common Stock [Member]
Schedule of Equity Method Investments [Line Items]
Number of shares acquired		262,900,000	425,000,000
Number of shares acquired upon exercise of warrants				46,000,000
Exercise price for warrants, per share \| $ / shares				$ 0.01
Purchase of common stock \| $		$ 5,260,000,000
Investment, number of shares owned		325,400,000
Kraft Heinz (previously Heinz Holding) [Member] \| Berkshire Hathaway (Parent) [Member] \| Cumulative Compounding Preferred Stock [Member]
Schedule of Equity Method Investments [Line Items]
Investment in preferred stock, liquidation value \| $			$ 8,000,000,000
Investment in preferred stock, stated dividend rate							9.00%
Kraft Heinz (previously Heinz Holding) [Member] \| Berkshire Hathaway (Parent) [Member] \| Common Stock, Cumulative Compounding Preferred Stock and Warrants [Member]
Schedule of Equity Method Investments [Line Items]
Purchase of preferred stock, common stock and warrants \| $			$ 12,250,000,000
Kraft Heinz (previously Heinz Holding) [Member] \| Berkshire Hathaway Inc. and 3G Capital [Member]
Schedule of Equity Method Investments [Line Items]
Equity method investment ownership percentage after transactions	51.00%
Kraft Heinz (previously Heinz Holding) [Member] \| 3G Capital (venture partner) [Member]
Schedule of Equity Method Investments [Line Items]
Equity method investment ownership percentage after transactions	24.20%
Kraft Heinz (previously Heinz Holding) [Member] \| 3G Capital (venture partner) [Member] \| Common Stock [Member]
Schedule of Equity Method Investments [Line Items]
Number of shares acquired		237,100,000	425,000,000
Purchase of common stock \| $		$ 4,740,000,000	$ 4,250,000,000
Management and Directors [Member] \| Kraft Heinz (previously Heinz Holding) [Member] \| Common Stock [Member]
Schedule of Equity Method Investments [Line Items]
Common shares reserved for issuance under equity grants, including stock options			39,600,000
Kraft [Member]
Schedule of Equity Method Investments [Line Items]
Minimum annual revenues of Kraft \| $							$ 18,000,000,000
Kraft [Member] \| Kraft Heinz (previously Heinz Holding) [Member]
Schedule of Equity Method Investments [Line Items]
Ratio of common stock shares to be issued per Kraft common stock share					1
Dividend to be received by Kraft shareholders per share \| $ / shares					$ 16.50
Kraft [Member] \| Kraft Heinz (previously Heinz Holding) [Member] \| Common Stock [Member]
Schedule of Equity Method Investments [Line Items]
Number of new shares issued to former Kraft shareholders	593,000,000