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Balance Sheets (Parenthetical) (USD $) In Millions, unless otherwise specified	Mar. 31, 2013	Jun. 30, 2012
Short-term investments, securities loaned	$ 493	$ 785
Accounts receivable, allowance for doubtful accounts	267	389
Property and equipment, accumulated depreciation	$ 12,247	$ 10,962
Common stock, shares authorized	24,000	24,000
Common stock, outstanding	8,349	8,381

- Definition

The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

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- Definition

Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation.

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- Definition

Carrying value of securities loaned to other entities.

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