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Receivables - Additional Information (Detail) |  | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Mar. 31, 2012 USD ($) | Jun. 30, 2015 USD ($) Agreement | Dec. 31, 2014 USD ($)
Schedule Of Financial Receivables [Line Items] |  |  |
Number of arrangement with different financial institution to sell customer receivables | Agreement |  | 3 |
Deferred purchase price receivable | $ 254,000,000 | $ 401,000,000 | $ 356,000,000
Amount of cash draws under arrangement |  | 0 |
Amount of cash repayments under arrangement |  | 0 |
Accounts receivables |  | 21,320,000,000 |
Cash collections of other receivables |  | 20,669,000,000 |
Predecessor [Member] |  |  |
Schedule Of Financial Receivables [Line Items] |  |  |
Net cash funding received |  | 250,000,000 |
Amount of cash draws under arrangement |  | 1,308,000,000 |
Amount of cash repayments under arrangement |  | 1,058,000,000 |
Minimum [Member] |  |  |
Schedule Of Financial Receivables [Line Items] |  |  |
Funding of customer receivables sold |  | 200,000,000 |
Maximum [Member] |  |  |
Schedule Of Financial Receivables [Line Items] |  |  |
Funding of customer receivables sold |  | $ 500,000,000 |

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- Definition Commitment of additional funding for development of reserves. + References No definition available. + Details
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- Definition Deferred purchase price customer receivables. + References No definition available. + Details
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- Definition Number of arrangements to sell customer receivables. + References No definition available. + Details
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- Definition Schedule Of Financial Receivables [Line Items] + References No definition available. + Details
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- Definition For unclassified balance sheet, amounts due from customers or clients for goods or services that have been delivered or sold in the normal course of business. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.9) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 3 -Article 5 + Details
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- Definition The cash inflow associated with the collection of other receivables not otherwise defined in the taxonomy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3179-108585 + Details
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