Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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-Name Accounting Standards Codification

-Topic 825

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- Definition

Adjustment to retained earnings for the increase in carrying amount of redeemable preferred stock that is classified as temporary equity.

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.

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-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

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The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

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Fair Value Measurements - Additional Information (Detail) (USD $)	12 Months Ended			3 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012	Jun. 30, 2014
Debt Instrument [Line Items]
Proceeds from divestiture of business	$ 2,090,000,000	$ 70,000,000	$ 7,000,000
Puerto Rico Operation and Certain Other Collection and Landfill Assets [Member]
Debt Instrument [Line Items]
Proceeds from divestiture of business				80,000,000
Reported Value Measurement [Member]
Debt Instrument [Line Items]
Carrying value of debt	9,400,000,000	10,200,000,000
Estimate of Fair Value Measurement [Member]
Debt Instrument [Line Items]
Carrying value of debt	10,600,000,000	11,000,000,000
Repayment of debt	751,000,000
Redeemable Preferred Stock [Member]
Debt Instrument [Line Items]
Fair value of redeemable preferred stock	4,000,000
Redeemable Preferred Stock [Member] \| Puerto Rico Operation and Certain Other Collection and Landfill Assets [Member]
Debt Instrument [Line Items]
Proceeds from divestiture of business	15,000,000
Domestic Line of Credit [Member]
Debt Instrument [Line Items]
Revolving credit facility	$ 2,250,000,000	$ 2,250,000,000