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Inventories, Net - Summary of Inventories (Detail) - USD ($) $ in Millions | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2015 | Dec. 31, 2014 | Jun. 30, 2014 | Dec. 31, 2013
Inventory Disclosure [Abstract] |  |  |  |  |  |  |
Finished goods |  |  |  | $ 737 | $ 988 |  | $ 881
Less: inventory reserves | $ (44) | $ (39) | $ (31) | (44) | (39) | $ (39) | (31)
Total |  |  |  | $ 693 | $ 949 |  | $ 850
Inventory reserves: |  |  |  |  |  |  |
Inventory reserves, Beginning balance | 39 | 31 | 32 |  |  |  |
Inventory reserves, Additions charged to costs and expenses | 54 | 8 | 5 |  |  |  |
Inventory reserves, Charge-offs and other | (49) |  | (6) |  |  |  |
Inventory reserves, Ending balance | $ 44 | $ 39 | $ 31 |  |  |  |

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- Definition Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.6(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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