j.p . morgan chase & co . / 2003 annual report 65 the commercial specific loss component of the allowance was $ 917 million at december 31 , 2003 , a decrease of 43% ( 43 % ) from year-end 2002 . the decrease was attributable to the improve- ment in the credit quality of the commercial loan portfolio , as well as the reduction in the size of the portfolio . the commercial expected loss component of the allowance was $ 454 million at december 31 , 2003 , a decrease of 26% ( 26 % ) from year- end 2002 . the decrease reflected an improvement in the average quality of the loan portfolio , as well as the improving credit envi- ronment , which affected inputs to the expected loss model . the consumer expected loss component of the allowance was $ 2.3 billion at december 31 , 2003 , a decrease of 4% ( 4 % ) from year- end 2002 . although the consumer managed loan portfolio increased by 10% ( 10 % ) , the businesses that drove the increase , home finance and auto finance , have collateralized products with lower expected loss rates . the residual component of the allowance was $ 895 million at december 31 , 2003 . the residual component , which incorpo- rates management's judgment , addresses uncertainties that are not considered in the formula-based commercial specific and expected components of the allowance for credit losses . the $ 121 million increase addressed uncertainties in the eco- nomic environment and concentrations in the commercial loan portfolio that existed during the first half of 2003 . in the sec- ond half of the year , as commercial credit quality continued to improve and the commercial allowance declined further , the residual component was reduced as well . at december 31 , 2003 , the residual component represented approximately 20% ( 20 % ) of the total allowance for loan losses , within the firm 2019s target range of between 10% ( 10 % ) and 20% ( 20 % ) . the firm anticipates that if the current positive trend in economic conditions and credit quality continues , the commercial and residual components will continue to be reduced . lending-related commitments to provide for the risk of loss inherent in the credit-extension process , management also computes specific and expected loss components as well as a residual component for commercial lending 2013related commitments . this is computed using a methodology similar to that used for the commercial loan port- folio , modified for expected maturities and probabilities of drawdown . the allowance decreased by 11% ( 11 % ) to $ 324 million as of december 31 , 2003 , due to improvement in the criticized portion of the firm 2019s lending-related commitments . credit costs .

Table: for the year ended december 31 ( in millions ) for the year ended december 31 commercial for the year ended december 31 consumer for the year ended december 31 residual for the year ended december 31 total for the year ended december 31 commercial for the year ended december 31 consumer residual total provision for loan losses $ -30 ( 30 ) $ 1491 $ 118 $ 1579 $ 2371 $ 1589 $ 79 $ 4039 provision for lending-related commitments -47 ( 47 ) 2014 8 -39 ( 39 ) 309 2014 -17 ( 17 ) 292 securitized credit losses 2014 1870 2014 1870 2014 1439 2014 1439 total managed credit costs $ -77 ( 77 ) $ 3361 $ 126 $ 3410 $ 2680 $ 3028 $ 62 $ 5770

.

Question: what was the consumer expected loss allowance at 12/31/2002 , in billions?
Answer: 2.4
Calculation: divide(2.3, divide(subtract(const_100, 4), const_100))