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Schedule Of Intersegment Revenues (Details) (USD $)
In Millions, unless otherwise specified
 3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Segment Reporting Information [Line Items]    
Intersegment Revenues $ 22,149us-gaap_Revenues $ 20,465us-gaap_Revenues
Intersegment Eliminations [Member]    
Segment Reporting Information [Line Items]    
Intersegment Revenues 282us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_IntersegmentEliminationMember		 281us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_IntersegmentEliminationMember
Intersegment Eliminations [Member] | Commercial Airplanes [Member]    
Segment Reporting Information [Line Items]    
Intersegment Revenues 277us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_IntersegmentEliminationMember
/ us-gaap_StatementBusinessSegmentsAxis
= ba_CommercialAirplanesSegmentMember		 274us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_IntersegmentEliminationMember
/ us-gaap_StatementBusinessSegmentsAxis
= ba_CommercialAirplanesSegmentMember
Intersegment Eliminations [Member] | Boeing Capital [Member]    
Segment Reporting Information [Line Items]    
Intersegment Revenues $ 5us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_IntersegmentEliminationMember
/ us-gaap_StatementBusinessSegmentsAxis
= ba_BoeingCapitalCorporationMember		 $ 7us-gaap_Revenues
/ us-gaap_ConsolidationItemsAxis
= us-gaap_IntersegmentEliminationMember
/ us-gaap_StatementBusinessSegmentsAxis
= ba_BoeingCapitalCorporationMember