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The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity. 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If the entity does not present consolidated financial statements, the amount of profit or loss for the period, net of income taxes. 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This element includes paid and unpaid dividends declared during the period. 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No authoritative reference available. false 9 3 us-gaap_StockRepurchasedAndRetiredDuringPeriodValue us-gaap true debit duration No definition available. false false false false false false false false false false true negated false 1 false true false false -18000000 -18 true false false 2 false true false false -315000000 -315 true false false 3 false true false false -1029000000 -1029 true false false 4 false false false false 0 0 true false false 5 false true false false -1362000000 -1362 false false false xbrli:monetaryItemType monetary Value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital). 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Includes deferred gains (losses) on qualifying hedges, unrealized holding gains (losses) on available-for-sale securities, minimum pension liability, and cumulative translation adjustment. 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The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity. 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The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity. 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If the entity does not present consolidated financial statements, the amount of profit or loss for the period, net of income taxes. 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This element includes paid and unpaid dividends declared during the period. 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No authoritative reference available. false 9 3 us-gaap_StockRepurchasedAndRetiredDuringPeriodValue us-gaap true debit duration No definition available. false false false false false false false false false false true negated false 1 false true false false -20000000 -20 true false false 2 false true false false -375000000 -375 true false false 3 false true false false -1171000000 -1171 true false false 4 false false false false 0 0 true false false 5 false true false false -1566000000 -1566 false false false xbrli:monetaryItemType monetary Value of stock that has been repurchased and retired during the period. The excess of the purchase price over par value can be charged against retained earnings (once the excess is fully allocated to additional paid in capital). 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Includes deferred gains (losses) on qualifying hedges, unrealized holding gains (losses) on available-for-sale securities, minimum pension liability, and cumulative translation adjustment. 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The amount of the economic entity's stockholders' equity attributable to the parent excludes the amount of stockholders' equity which is allocable to that ownership interest in subsidiary equity which is not attributable to the parent (noncontrolling interest, minority interest). This excludes temporary equity and is sometimes called permanent equity. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph A3 -Appendix A Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 4 -Section E Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 29, 30, 31 -Article 5 false 5 16 false Millions UnKnown UnKnown false true