2.2.0.7falseDeferred Income Tax Assets and Liabilities (Detail) (USD $)170 - Disclosure - Deferred Income Tax Assets and Liabilities (Detail)truefalseIn Millionsfalsefalse1USDfalsefalseiso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170pureStandardhttp://www.xbrl.org/2003/instancepure0iso4217_USD_per_sharesDividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instanceshares0sharesStandardhttp://www.xbrl.org/2003/instanceshares0$false2USDfalsefalseiso4217_USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170pureStandardhttp://www.xbrl.org/2003/instancepure0iso4217_USD_per_sharesDividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instanceshares0sharesStandardhttp://www.xbrl.org/2003/instanceshares0$53us-gaap_DeferredTaxAssetsNetAbstractus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsetruefalsefalsefalsefalsefalsefalse1falsefalsefalsefalse00falsefalsefalse2falsefalsefalsefalse00falsefalsefalsexbrli:stringItemTypestringNo definition available.false64pg_DeferredTaxAssetsPensionAndPostretirementBenefitspgfalsedebitinstantThe tax effect as of the balance sheet date of the amount of the estimated future tax deductions arising from pension costs...falsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truetruefalsefalse17170000001717falsefalsefalse2truetruefalsefalse13950000001395falsefalsefalsexbrli:monetaryItemTypemonetaryThe tax effect as of the balance sheet date of the amount of the estimated future tax deductions arising from pension costs and postretirement benefits, which can only be deducted for tax purposes when actual costs are incurred, and which can only be realized if sufficient tax-basis income is generated in future periods to enable the deduction to be taken.No authoritative reference available.false74us-gaap_DeferredTaxAssetsTaxDeferredExpenseCompensationAndBenefitsShareBasedCompensationCostus-gaaptruedebitinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabelfalse1falsetruefalsefalse12570000001257falsefalsefalse2falsetruefalsefalse11820000001182falsefalsefalsexbrli:monetaryItemTypemonetaryThe tax effect as of the balance sheet date of the amount of the estimated future tax deductions arising from share-based compensation costs, which can only be deducted for tax purposes when actual costs are incurred, and which can only be realized if sufficient tax-basis income is generated in future periods to enable the deduction to be taken.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 43
Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 11
-Subparagraph b
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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 43
false94pg_DeferredTaxAssetsGoodwillAndIntangibleAssetspgfalsedebitinstantThe cumulative amount of the estimated future tax effects attributable to the difference between the tax basis of goodwill...falsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabelfalse1falsetruefalsefalse312000000312falsefalsefalse2falsetruefalsefalse331000000331falsefalsefalsexbrli:monetaryItemTypemonetaryThe cumulative amount of the estimated future tax effects attributable to the difference between the tax basis of goodwill and intangible assets and the basis of goodwill and intangible assets computed in accordance with generally accepted accounting principles. The difference in basis, whether due to amortization or other reasons, will decrease future taxable income when such difference reverses.No authoritative reference available.false104pg_DeferredTaxAssetsAccruedMarketingAndPromotionExpensepgfalsedebitinstantThe tax effect as of the balance sheet date of the amount of the estimated future tax deductions arising from currently...falsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsetruefalsefalse216000000216falsefalsefalse2falsetruefalsefalse167000000167falsefalsefalsexbrli:monetaryItemTypemonetaryThe tax effect as of the balance sheet date of the amount of the estimated future tax deductions arising from currently nondeductible expenses in accrued marketing and promotion expenses, which can only be deducted for tax purposes when such items are actually incurred, and which can only be realized if sufficient tax-basis income is generated in future periods to enable the deduction to be taken.No authoritative reference available.false114pg_DeferredTaxAssetsPropertyPlantAndEquipmentpgfalsedebitinstantThe amount as of the balance sheet date of the estimated future tax effects attributable to the difference between the tax...falsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabelfalse1falsetruefalsefalse102000000102falsefalsefalse2falsetruefalsefalse114000000114falsefalsefalsexbrli:monetaryItemTypemonetaryThe amount as of the balance sheet date of the estimated future tax effects attributable to the difference between the tax basis of capital assets and the basis of capital assets computed in accordance with generally accepted accounting principles. The difference in basis, attributable to different capitalization of costs, depreciation, or amortization methodologies, will decrease future taxable income when such basis difference is realized. Capital assets include but are not limited to assets such as land, real estate, leasehold improvements, machinery and equipment and furniture and fixtures.No authoritative reference available.false124us-gaap_DeferredTaxAssetsUnrealizedLossesOnTradingSecuritiesus-gaaptruedebitinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsetruefalsefalse8800000088falsefalsefalse2falsetruefalsefalse577000000577falsefalsefalsexbrli:monetaryItemTypemonetaryThe tax effect as of the balance sheet date of the amount of the estimated future tax deductions arising from unrealized losses on trading securities which can only be deducted for tax purposes when the losses are realized, and which can only be realized if sufficient tax-basis income is generated in future periods to enable the deduction to be taken. This item excludes deferred tax assets generated due to unrealized holding losses on investments in debt and equity securities categorized as available for sale which unrealized holding losses are included in the item Deferred Tax Assets, Other Comprehensive Loss.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 43
Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 11
-Subparagraph b
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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 43
Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 11
-Subparagraph c
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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 43
Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 11
-Subparagraph b
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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 43
false174us-gaap_DeferredTaxAssetsValuationAllowanceus-gaaptruecreditinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalsetruenegatedfalse1falsetruefalsefalse-120000000-120falsefalsefalse2falsetruefalsefalse-104000000-104falsefalsefalsexbrli:monetaryItemTypemonetaryThe sum of the portions of deferred tax assets as of the balance sheet date for which, based on the weight of available evidence, it is more likely than not will not be realized through future reductions of tax-based income.Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
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-Subparagraph e
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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 43-49
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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 43
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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 43
Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 11
-Subparagraph d
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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 43
Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 11
-Subparagraph d, e, f
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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 43
Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 11
-Subparagraph a, d, e
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-Publisher FASB
-Name Statement of Financial Accounting Standard (FAS)
-Number 109
-Paragraph 42, 43
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