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Restructuring and Other Charges - Additional Information (Detail) (USD $) In Millions, unless otherwise specified | 1 Months Ended | 3 Months Ended | 1 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
May 31, 2013 t | Mar. 31, 2015 Employees | Mar. 31, 2014 | May 31, 2014 t | Jun. 30, 2014 t | Dec. 31, 2014 Employees
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and other charges |  | $ 177 us-gaap_RestructuringCharges | $ 461 us-gaap_RestructuringCharges |  |  |
Number of employees associated with layoff costs |  | 210 aa_NumberOfEmployeeChargedLayoff |  |  |  |
Capacity of lines under review | 460,000 aa_CapacityOfLinesUnderReview |  |  |  |  |
Capacity of lines under review period | 15 months |  |  |  |  |
Minimum amount of cash payments expected to be paid beyond the end of the current annual period |  | 15 aa_MinimumAmountOfCashPaymentsExpectedToBePaidBeyondCurrentAnnualPeriod |  |  |  |
Maximum amount of cash payments expected to be paid beyond the end of the current annual period |  | 20 aa_MaximumAmountOfCashPaymentsExpectedToBePaidBeyondCurrentAnnualPeriod |  |  |  |
Smelter [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Number of plants permanently shut down and demolished |  |  | 2 aa_NumberOfPlantsPermanentlyShutdownAndDemolished / us-gaap_FairValueByAssetClassAxis = aa_SmelterMember |  |  |
Number of plants temporarily curtailed |  |  | 2 aa_NumberOfPlantsTemporarilyCurtailed / us-gaap_FairValueByAssetClassAxis = aa_SmelterMember |  |  |
Rolling Mill [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Number of plants permanently shut down and demolished |  |  | 2 aa_NumberOfPlantsPermanentlyShutdownAndDemolished / us-gaap_FairValueByAssetClassAxis = aa_RollingMillMember |  |  |
Primary Metals [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and other charges |  | 16 us-gaap_RestructuringCharges / us-gaap_StatementBusinessSegmentsAxis = aa_PrimaryMetalsMember |  |  |  |
Restructuring and other charges, after-tax and noncontrolling interest |  | 11 aa_RestructuringAndOtherChargesAfterTaxAndNoncontrollingInterests / us-gaap_StatementBusinessSegmentsAxis = aa_PrimaryMetalsMember |  |  |  |
Number of employees associated with layoff costs |  | 680 aa_NumberOfEmployeeChargedLayoff / us-gaap_StatementBusinessSegmentsAxis = aa_PrimaryMetalsMember |  |  |  |
Engineered Products and Solutions [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Number of employees associated with layoff costs |  | 130 aa_NumberOfEmployeeChargedLayoff / us-gaap_StatementBusinessSegmentsAxis = aa_EngineeredProductsAndSolutionsMember |  |  |  |
Number of employees associated with layoff costs |  |  | 110 aa_NumberOfEmployeesAssociatedWithLayoffCosts / us-gaap_StatementBusinessSegmentsAxis = aa_EngineeredProductsAndSolutionsMember |  |  |
Global Rolled Products [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Number of employees associated with layoff costs |  | 30 aa_NumberOfEmployeeChargedLayoff / us-gaap_StatementBusinessSegmentsAxis = aa_GlobalRolledProductsMember |  |  |  |
Corporate [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Number of employees associated with layoff costs |  | 50 aa_NumberOfEmployeeChargedLayoff / us-gaap_StatementBusinessSegmentsAxis = us-gaap_CorporateMember |  |  |  |
Number of employees associated with layoff costs |  |  | 60 aa_NumberOfEmployeesAssociatedWithLayoffCosts / us-gaap_StatementBusinessSegmentsAxis = us-gaap_CorporateMember |  |  |
Russia [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and other charges |  | 149 us-gaap_RestructuringCharges / us-gaap_StatementGeographicalAxis = country_RU |  |  |  |
Restructuring and other charges, after-tax and noncontrolling interest |  | 142 aa_RestructuringAndOtherChargesAfterTaxAndNoncontrollingInterests / us-gaap_StatementGeographicalAxis = country_RU |  |  |  |
Sao Luis Smelter [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and other charges |  | 13 us-gaap_RestructuringCharges / us-gaap_StatementGeographicalAxis = aa_SaoLuisSmelterMember |  |  |  |
Restructuring and other charges, after-tax and noncontrolling interest |  | 8 aa_RestructuringAndOtherChargesAfterTaxAndNoncontrollingInterests / us-gaap_StatementGeographicalAxis = aa_SaoLuisSmelterMember |  |  |  |
Capacity of lines under review |  | 74,000,000,000 aa_CapacityOfLinesUnderReview / us-gaap_StatementGeographicalAxis = aa_SaoLuisSmelterMember |  | 85,000 aa_CapacityOfLinesUnderReview / us-gaap_StatementGeographicalAxis = aa_SaoLuisSmelterMember |  |
Massena East Smelter [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Reduction in production - result of market conditions, in mt per year |  |  | 84,000 aa_CapacityOfPotlinesShutdownAndDemolished / us-gaap_StatementGeographicalAxis = aa_MassenaEastSmelterMember |  |  |
Point Henry Smelter [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Reduction in production - result of market conditions, in mt per year |  |  | 190,000 aa_ReductionInProductionDueToMarketCondition / us-gaap_StatementGeographicalAxis = aa_PointHenrySmelterMember |  |  |
Pocos De Caldas Refinery [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Capacity of lines under review |  |  |  | 62,000 aa_CapacityOfLinesUnderReview / us-gaap_StatementGeographicalAxis = aa_PocosDeCaldasRefineryMember | 200,000 aa_CapacityOfLinesUnderReview / us-gaap_StatementGeographicalAxis = aa_PocosDeCaldasRefineryMember |
Massena East, Ny and Point Henry and Yennora, Australia and Portovesme [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Reduction in production - result of market conditions, in mt per year |  |  | 200,000 aa_CapacityOfPotlinesShutdownAndDemolished / us-gaap_StatementGeographicalAxis = aa_MassenaEastNyAndPointHenryAndYennoraAustraliaMember |  |  |
Other Exit Costs [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and other charges |  | 177 us-gaap_RestructuringCharges / us-gaap_RestructuringCostAndReserveAxis = aa_OtherExitCostsMember | 461 us-gaap_RestructuringCharges / us-gaap_RestructuringCostAndReserveAxis = aa_OtherExitCostsMember |  |  |
Restructuring and other charges, after-tax and noncontrolling interest |  | 158 aa_RestructuringAndOtherChargesAfterTaxAndNoncontrollingInterests / us-gaap_RestructuringCostAndReserveAxis = aa_OtherExitCostsMember | 274 aa_RestructuringAndOtherChargesAfterTaxAndNoncontrollingInterests / us-gaap_RestructuringCostAndReserveAxis = aa_OtherExitCostsMember |  |  |
Other Miscellaneous Items [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and other charges |  | 6 us-gaap_RestructuringCharges / us-gaap_RestructuringCostAndReserveAxis = aa_OtherMiscellaneousChargesMember | 15 us-gaap_RestructuringCharges / us-gaap_RestructuringCostAndReserveAxis = aa_OtherMiscellaneousChargesMember |  |  |
Restructuring and other charges, after-tax and noncontrolling interest |  | 3 aa_RestructuringAndOtherChargesAfterTaxAndNoncontrollingInterests / us-gaap_RestructuringCostAndReserveAxis = aa_OtherMiscellaneousChargesMember | 9 aa_RestructuringAndOtherChargesAfterTaxAndNoncontrollingInterests / us-gaap_RestructuringCostAndReserveAxis = aa_OtherMiscellaneousChargesMember |  |  |
Small Layoff Reserves Related to Prior Periods [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and other charges |  | 7 us-gaap_RestructuringCharges / us-gaap_RestructuringCostAndReserveAxis = aa_SmallLayoffReservesRelatedToPriorPeriodsMember | 6 us-gaap_RestructuringCharges / us-gaap_RestructuringCostAndReserveAxis = aa_SmallLayoffReservesRelatedToPriorPeriodsMember |  |  |
Restructuring and other charges, after-tax and noncontrolling interest |  | 6 aa_RestructuringAndOtherChargesAfterTaxAndNoncontrollingInterests / us-gaap_RestructuringCostAndReserveAxis = aa_SmallLayoffReservesRelatedToPriorPeriodsMember | 4 aa_RestructuringAndOtherChargesAfterTaxAndNoncontrollingInterests / us-gaap_RestructuringCostAndReserveAxis = aa_SmallLayoffReservesRelatedToPriorPeriodsMember |  |  |
Divested Businesses [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and other charges |  |  | 336 us-gaap_RestructuringCharges / us-gaap_RestructuringCostAndReserveAxis = aa_DivestedBusinessesMember |  |  |
Restructuring and other charges, after-tax and noncontrolling interest |  |  | 189 aa_RestructuringAndOtherChargesAfterTaxAndNoncontrollingInterests / us-gaap_RestructuringCostAndReserveAxis = aa_DivestedBusinessesMember |  |  |
Smelter Curtailments [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and other charges |  |  | 70 us-gaap_RestructuringCharges / us-gaap_RestructuringCostAndReserveAxis = aa_SmelterCurtailmentsMember |  |  |
Restructuring and other charges, after-tax and noncontrolling interest |  |  | 46 aa_RestructuringAndOtherChargesAfterTaxAndNoncontrollingInterests / us-gaap_RestructuringCostAndReserveAxis = aa_SmelterCurtailmentsMember |  |  |
Number of employees associated with layoff costs |  |  | 170 aa_NumberOfEmployeesAssociatedWithLayoffCosts / us-gaap_RestructuringCostAndReserveAxis = aa_SmelterCurtailmentsMember |  |  |
Smelter Curtailments [Member] | Refinery [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Number of plants temporarily curtailed |  |  | 1 aa_NumberOfPlantsTemporarilyCurtailed / us-gaap_FairValueByAssetClassAxis = aa_RefineryMember / us-gaap_RestructuringCostAndReserveAxis = aa_SmelterCurtailmentsMember |  |  |
Asset Impairment [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and other charges |  |  | 33 us-gaap_RestructuringCharges / us-gaap_RestructuringCostAndReserveAxis = aa_AssetImpairmentMember |  |  |
Restructuring and other charges, after-tax and noncontrolling interest |  |  | 26 aa_RestructuringAndOtherChargesAfterTaxAndNoncontrollingInterests / us-gaap_RestructuringCostAndReserveAxis = aa_AssetImpairmentMember |  |  |
Layoff Costs [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and other charges |  |  | 13 us-gaap_RestructuringCharges / us-gaap_RestructuringCostAndReserveAxis = us-gaap_EmployeeSeveranceMember |  |  |
Restructuring and other charges, after-tax and noncontrolling interest |  |  | 8 aa_RestructuringAndOtherChargesAfterTaxAndNoncontrollingInterests / us-gaap_RestructuringCostAndReserveAxis = us-gaap_EmployeeSeveranceMember |  |  |
Shutdown And Curtailment Actions [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and other charges |  |  | 133 us-gaap_RestructuringCharges / us-gaap_RestructuringCostAndReserveAxis = aa_ShutdownAndCurtailmentActionsMember |  |  |
Number of employees associated with layoff costs |  |  | 1,830 aa_NumberOfEmployeesAssociatedWithLayoffCosts / us-gaap_RestructuringCostAndReserveAxis = aa_ShutdownAndCurtailmentActionsMember |  |  |
Accelerated depreciation |  |  | 59 aa_AcceleratedDepreciationRelatedToWrittenOffOfLines / us-gaap_RestructuringCostAndReserveAxis = aa_ShutdownAndCurtailmentActionsMember |  |  |
Other asset impairment charges |  |  | 91 us-gaap_AssetImpairmentCharges / us-gaap_RestructuringCostAndReserveAxis = aa_ShutdownAndCurtailmentActionsMember |  |  |
Other exit costs |  |  | 123 us-gaap_BusinessExitCosts1 / us-gaap_RestructuringCostAndReserveAxis = aa_ShutdownAndCurtailmentActionsMember |  |  |
Inventory write-down - permanent shutdown and planned demolition of idled structures |  |  | 34 us-gaap_InventoryWriteDown / us-gaap_RestructuringCostAndReserveAxis = aa_ShutdownAndCurtailmentActionsMember |  |  |
Inventory write-down, after-tax and non-controlling interests |  |  | 20 aa_InventoryWriteDownAfterTaxAndNonControllingInterests / us-gaap_RestructuringCostAndReserveAxis = aa_ShutdownAndCurtailmentActionsMember |  |  |
Shutdown And Curtailment Actions [Member] | Primary Metals [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Number of employees associated with layoff costs |  |  | 1,230 aa_NumberOfEmployeesAssociatedWithLayoffCosts / us-gaap_RestructuringCostAndReserveAxis = aa_ShutdownAndCurtailmentActionsMember / us-gaap_StatementBusinessSegmentsAxis = aa_PrimaryMetalsMember |  |  |
Shutdown And Curtailment Actions [Member] | Global Rolled Products [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Number of employees associated with layoff costs |  |  | 470 aa_NumberOfEmployeesAssociatedWithLayoffCosts / us-gaap_RestructuringCostAndReserveAxis = aa_ShutdownAndCurtailmentActionsMember / us-gaap_StatementBusinessSegmentsAxis = aa_GlobalRolledProductsMember |  |  |
Shutdown And Curtailment Actions [Member] | Corporate [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Number of employees associated with layoff costs |  |  | 40 aa_NumberOfEmployeesAssociatedWithLayoffCosts / us-gaap_RestructuringCostAndReserveAxis = aa_ShutdownAndCurtailmentActionsMember / us-gaap_StatementBusinessSegmentsAxis = us-gaap_CorporateMember |  |  |
Shutdown And Curtailment Actions [Member] | Alumina [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Number of employees associated with layoff costs |  |  | 90 aa_NumberOfEmployeesAssociatedWithLayoffCosts / us-gaap_RestructuringCostAndReserveAxis = aa_ShutdownAndCurtailmentActionsMember / us-gaap_StatementBusinessSegmentsAxis = aa_AluminaMember |  |  |
Shutdown And Curtailment Actions [Member] | Australia [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Number of facilities accelerated depreciation write off |  |  | 3 aa_NumberOfFacilityAcceleratedDepreciationWriteOff / us-gaap_RestructuringCostAndReserveAxis = aa_ShutdownAndCurtailmentActionsMember / us-gaap_StatementGeographicalAxis = country_AU |  |  |
Operating Supplies [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Other exit costs |  |  | 55 us-gaap_BusinessExitCosts1 / us-gaap_RestructuringCostAndReserveAxis = aa_OperatingSuppliesMember |  |  |
Environmental Remediation [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Restructuring and other charges |  | 47 us-gaap_RestructuringCharges / us-gaap_RestructuringCostAndReserveAxis = aa_EnvironmentalRemediationMember |  |  |  |
Other exit costs |  |  | 38 us-gaap_BusinessExitCosts1 / us-gaap_RestructuringCostAndReserveAxis = aa_EnvironmentalRemediationMember |  |  |
Supplier And Customer Contract [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Other exit costs |  |  | 30 us-gaap_BusinessExitCosts1 / us-gaap_RestructuringCostAndReserveAxis = aa_SupplierAndCustomerContractMember |  |  |
Restructuring Programs Layoffs 2015 [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Total number of employees already laid off |  | 90 us-gaap_RestructuringAndRelatedCostNumberOfPositionsEliminatedInceptionToDate / us-gaap_RestructuringCostAndReserveAxis = aa_RestructuringProgramsLayoffsTwoThousandFifteenMember |  |  |  |
Number of positions separated |  | 890 aa_NumberOfPositions / us-gaap_RestructuringCostAndReserveAxis = aa_RestructuringProgramsLayoffsTwoThousandFifteenMember |  |  |  |
Cash payments made against the layoff reserves |  | 1 aa_RestructuringChargeForLayoffs / us-gaap_RestructuringCostAndReserveAxis = aa_RestructuringProgramsLayoffsTwoThousandFifteenMember |  |  |  |
Restructuring Programs Layoffs 2014 [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Total number of employees already laid off |  | 2,320 us-gaap_RestructuringAndRelatedCostNumberOfPositionsEliminatedInceptionToDate / us-gaap_RestructuringCostAndReserveAxis = aa_RestructuringProgramsLayoffsTwoThousandFourteenMember |  |  |  |
Number of positions separated |  | 2,870 aa_NumberOfPositions / us-gaap_RestructuringCostAndReserveAxis = aa_RestructuringProgramsLayoffsTwoThousandFourteenMember |  |  |  | 2,910 aa_NumberOfPositions / us-gaap_RestructuringCostAndReserveAxis = aa_RestructuringProgramsLayoffsTwoThousandFourteenMember
Cash payments made against the layoff reserves |  | 50 aa_RestructuringChargeForLayoffs / us-gaap_RestructuringCostAndReserveAxis = aa_RestructuringProgramsLayoffsTwoThousandFourteenMember |  |  |  |
Restructuring Programs Layoffs 2013 [Member] |  |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |  |
Total number of employees already laid off |  | 1,460 us-gaap_RestructuringAndRelatedCostNumberOfPositionsEliminatedInceptionToDate / us-gaap_RestructuringCostAndReserveAxis = aa_RestructuringProgramsLayoffsTwoThousandThirteenMember |  |  |  |
Number of positions separated |  | 1,530 aa_NumberOfPositions / us-gaap_RestructuringCostAndReserveAxis = aa_RestructuringProgramsLayoffsTwoThousandThirteenMember |  |  |  |
Cash payments made against the layoff reserves |  | $ 3 aa_RestructuringChargeForLayoffs / us-gaap_RestructuringCostAndReserveAxis = aa_RestructuringProgramsLayoffsTwoThousandThirteenMember |  |  |  |

X
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- Definition Capacity of potlines shutdown and demolished. + References No definition available. + Details
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- Definition The maximum amount of cash payments expected to be paid beyond the end of the current annual period related to restructuring charges such as ongoing site remediation work, special termination benefit payments, least termination costs, among others. + References No definition available. + Details
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- Definition The minimum amount of cash payments expected to be paid beyond the end of the current annual period related to restructuring charges such as ongoing site remediation work, special termination benefit payments, least termination costs, among others. + References No definition available. + Details
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- Definition The number of employees an entity expects to layoff that correlates to the layoff charges recorded during the period. + References No definition available. + Details
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- Definition Amount charged against earnings in the period after-tax and noncontrolling interests for incurred and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a program that is planned and controlled by management, and materially changes either the scope of a business undertaken by an entity, or the manner in which that business is conducted. + References No definition available. + Details
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- Definition Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=8077374&loc=d3e2420-110228 + Details
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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Includes, but is not limited to, one-time termination benefits, termination of an operating lease or other contract, consolidating or closing facilities, and relocating employees, and termination benefits associated with an ongoing benefit arrangement. Excludes expenses associated with special or contractual termination benefits, a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB TOPIC 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 5.P.3) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 5 -Section P -Subsection 3, 4 + Details
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