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Reclassifications out of Accumulated Other Comprehensive Income (Loss) (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Reclassifications out of Accumulated Other Comprehensive Income [Line Items]    
Cost of products sold $ 3,993us-gaap_CostOfGoodsSold $ 3,608us-gaap_CostOfGoodsSold
Accumulated Net Gain (Loss) from Designated or Qualifying Cash Flow Hedges    
Reclassifications out of Accumulated Other Comprehensive Income [Line Items]    
Cost of products sold 14us-gaap_CostOfGoodsSold
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedNetGainLossFromDesignatedOrQualifyingCashFlowHedgesMember
 
Accumulated Pension and Postretirement Benefits Adjustment    
Reclassifications out of Accumulated Other Comprehensive Income [Line Items]    
Cost of products sold / Selling, general and administrative $ (35)whr_CostofProductsSoldSellingGeneralandAdministrativeExpenses
/ us-gaap_StatementEquityComponentsAxis
= us-gaap_AccumulatedDefinedBenefitPlansAdjustmentMember