2.2.0.7 true Consolidated Income Statement (USD $) 00100 - Statement - Consolidated Income Statement true false In Millions, except Per Share data false false 1 USD true false false false us-gaap_ParentCompanyMember dei_LegalEntityAxis xbrldi http://xbrl.org/2006/xbrldi us-gaap_ParentCompanyMember dei_LegalEntityAxis explicitMember Unit12 Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 Unit1 Standard http://www.xbrl.org/2003/instance shares xbrli 0 Unit14 Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 $ false 2 USD true false false false us-gaap_ParentCompanyMember dei_LegalEntityAxis xbrldi http://xbrl.org/2006/xbrldi us-gaap_ParentCompanyMember dei_LegalEntityAxis explicitMember Unit12 Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 Unit14 Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 Unit1 Standard http://www.xbrl.org/2003/instance shares xbrli 0 $ false 3 USD true false false false us-gaap_ParentCompanyMember dei_LegalEntityAxis xbrldi http://xbrl.org/2006/xbrldi us-gaap_ParentCompanyMember dei_LegalEntityAxis explicitMember Unit12 Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 Unit14 Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 Unit1 Standard http://www.xbrl.org/2003/instance shares xbrli 0 $ false 4 USD true false false false us-gaap_ParentCompanyMember dei_LegalEntityAxis xbrldi http://xbrl.org/2006/xbrldi us-gaap_ParentCompanyMember dei_LegalEntityAxis explicitMember Unit12 Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 Unit14 Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 Unit1 Standard http://www.xbrl.org/2003/instance shares xbrli 0 $ false 5 USD true false false false ed_CeconyMember dei_LegalEntityAxis xbrldi http://xbrl.org/2006/xbrldi ed_CeconyMember dei_LegalEntityAxis explicitMember Unit12 Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ false 6 USD true false false false ed_CeconyMember dei_LegalEntityAxis xbrldi http://xbrl.org/2006/xbrldi ed_CeconyMember dei_LegalEntityAxis explicitMember Unit12 Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ false 7 USD true false false false ed_CeconyMember dei_LegalEntityAxis xbrldi http://xbrl.org/2006/xbrldi ed_CeconyMember dei_LegalEntityAxis explicitMember Unit12 Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ false 8 USD true false false false ed_CeconyMember dei_LegalEntityAxis xbrldi http://xbrl.org/2006/xbrldi ed_CeconyMember dei_LegalEntityAxis explicitMember Unit12 Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ 5 OPERATING REVENUES 3 us-gaap_RevenuesAbstract us-gaap true na duration No definition available. false false false false false true false false false false false false 1 false false false false 0 0 true false false 2 false false false false 0 0 true false false 3 false false false false 0 0 true false false 4 false false false false 0 0 true false false 5 false false false false 0 0 true false false 6 false false false false 0 0 true false false 7 false false false false 0 0 true false false 8 false false false false 0 0 true false false xbrli:stringItemType string No definition available. false 6 Electric 4 us-gaap_ElectricUtilityRevenue us-gaap true credit duration No definition available. false false false false false false false false false false false verboselabel false 1 true true false false 2814000000 2814 true false false 2 true true false false 2604000000 2604 true false false 3 true true false false 6959000000 6959 true false false 4 true true false false 6362000000 6362 true false false 5 true true false false 2570000000 2570 true false false 6 true true false false 2395000000 2395 true false false 7 true true false false 6402000000 6402 true false false 8 true true false false 5865000000 5865 true false false xbrli:monetaryItemType monetary The aggregate revenue, whether regulated or unregulated, derived from the generation, transmission and distribution of electricity. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 false 7 Gas 4 us-gaap_GasDomesticRegulatedRevenue us-gaap true credit duration No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 229000000 229 true false false 2 false true false false 208000000 208 true false false 3 false true false false 1276000000 1276 true false false 4 false true false false 1430000000 1430 true false false 5 false true false false 204000000 204 true false false 6 false true false false 183000000 183 true false false 7 false true false false 1126000000 1126 true false false 8 false true false false 1259000000 1259 true false false xbrli:monetaryItemType monetary Revenue derived from the regulated (by a federal, state, or local government or agency) generation, transmission and distribution of [natural] gas. No authoritative reference available. false 8 Steam 4 us-gaap_RevenueSteamProductsAndServices us-gaap true credit duration No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 91000000 91 true false false 2 false true false false 77000000 77 true false false 3 false true false false 487000000 487 true false false 4 false true false false 521000000 521 true false false 5 false true false false 91000000 91 true false false 6 false true false false 77000000 77 true false false 7 false true false false 487000000 487 true false false 8 false true false false 521000000 521 true false false xbrli:monetaryItemType monetary Revenue generated from providing steam products and services to various industries. Steam is used in oil refineries, pulp and paper mills, chemical production (such as ethylene and ammonia), food and grain processing, and textiles. Steam is also used in the heating and cooling of urban commercial and residential buildings. No authoritative reference available. false 9 Non-utility 4 us-gaap_OtherSalesRevenueNet us-gaap true credit duration No definition available. false false false false false false false false false false false false 1 false true false false 573000000 573 true false false 2 false true false false 600000000 600 true false false 3 false true false false 1463000000 1463 true false false 4 false true false false 1445000000 1445 true false false 5 false false false false 0 0 true false false 6 false false false false 0 0 true false false 7 false false false false 0 0 true false false 8 false false false false 0 0 true false false xbrli:monetaryItemType monetary Revenues from the sale of other goods or rendering of other services, not elsewhere specified in the taxonomy; net of (reduced by) sales adjustments, returns, allowances, and discounts. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 false 10 TOTAL OPERATING REVENUES 4 us-gaap_Revenues us-gaap true credit duration No definition available. false false false false false false false false false false false totallabel false 1 false true false false 3707000000 3707 true false false 2 false true false false 3489000000 3489 true false false 3 false true false false 10185000000 10185 true false false 4 false true false false 9758000000 9758 true false false 5 false true false false 2865000000 2865 true false false 6 false true false false 2655000000 2655 true false false 7 false true false false 8015000000 8015 true false false 8 false true false false 7645000000 7645 true false false xbrli:monetaryItemType monetary Aggregate revenue recognized during the period (derived from goods sold, services rendered, insurance premiums, or other activities that constitute an entity's earning process). For financial services companies, also includes investment and interest income, and sales and trading gains. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 true 11 OPERATING EXPENSES 3 us-gaap_OperatingExpensesAbstract us-gaap true na duration No definition available. false false false false false true false false false false false false 1 false false false false 0 0 true false false 2 false false false false 0 0 true false false 3 false false false false 0 0 true false false 4 false false false false 0 0 true false false 5 false false false false 0 0 true false false 6 false false false false 0 0 true false false 7 false false false false 0 0 true false false 8 false false false false 0 0 true false false xbrli:stringItemType string No definition available. false 12 Purchased power 4 us-gaap_CostOfPurchasedPower us-gaap true debit duration No definition available. false false false false false false false false false false false false 1 false true false false 1425000000 1425 true false false 2 false true false false 1338000000 1338 true false false 3 false true false false 3708000000 3708 true false false 4 false true false false 3543000000 3543 true false false 5 false true false false 764000000 764 true false false 6 false true false false 753000000 753 true false false 7 false true false false 2102000000 2102 true false false 8 false true false false 2009000000 2009 true false false xbrli:monetaryItemType monetary Cost of electricity purchased and sold during the reporting period. No authoritative reference available. false 13 Fuel 4 us-gaap_FuelCosts us-gaap true debit duration No definition available. false false false false false false false false false false false false 1 false true false false 106000000 106 true false false 2 false true false false 83000000 83 true false false 3 false true false false 342000000 342 true false false 4 false true false false 403000000 403 true false false 5 false true false false 105000000 105 true false false 6 false true false false 83000000 83 true false false 7 false true false false 343000000 343 true false false 8 false true false false 404000000 404 true false false xbrli:monetaryItemType monetary Fuel costs incurred that are directly related to goods produced and sold and services rendered during the reporting period. No authoritative reference available. false 14 Gas purchased for resale 4 us-gaap_CostOfPurchasedOilAndGas us-gaap true debit duration No definition available. false false false false false false false false false false false false 1 false true false false 73000000 73 true false false 2 false true false false 89000000 89 true false false 3 false true false false 482000000 482 true false false 4 false true false false 723000000 723 true false false 5 false true false false 63000000 63 true false false 6 false true false false 76000000 76 true false false 7 false true false false 408000000 408 true false false 8 false true false false 618000000 618 true false false xbrli:monetaryItemType monetary Cost of oil and gas purchased during the reporting period. No authoritative reference available. false 15 Other operations and maintenance 4 us-gaap_UtilitiesOperatingExpenseMaintenanceAndOperations us-gaap true debit duration No definition available. false false false false false false false false false false false false 1 false true false false 738000000 738 true false false 2 false true false false 676000000 676 true false false 3 false true false false 2117000000 2117 true false false 4 false true false false 1879000000 1879 true false false 5 false true false false 637000000 637 true false false 6 false true false false 573000000 573 true false false 7 false true false false 1832000000 1832 true false false 8 false true false false 1606000000 1606 true false false xbrli:monetaryItemType monetary Discloses the amount of operating expense for the period for routine plant maintenance, repairs and operations. No authoritative reference available. false 16 Depreciation and amortization 4 us-gaap_DepreciationAndAmortization us-gaap true debit duration No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 211000000 211 true false false 2 false true false false 200000000 200 true false false 3 false true false false 626000000 626 true false false 4 false true false false 589000000 589 true false false 5 false true false false 198000000 198 true false false 6 false true false false 188000000 188 true false false 7 false true false false 586000000 586 true false false 8 false true false false 554000000 554 true false false xbrli:monetaryItemType monetary The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 5 false 17 Taxes, other than income taxes 4 us-gaap_TaxesExcludingIncomeAndExciseTaxes us-gaap true debit duration No definition available. false false false false false false false false false false false false 1 false true false false 449000000 449 true false false 2 false true false false 418000000 418 true false false 3 false true false false 1283000000 1283 true false false 4 false true false false 1145000000 1145 true false false 5 false true false false 432000000 432 true false false 6 false true false false 403000000 403 true false false 7 false true false false 1232000000 1232 true false false 8 false true false false 1101000000 1101 true false false xbrli:monetaryItemType monetary All taxes not related to income of the entity or excise or sales taxes levied on the revenue of the entity that are not reported elsewhere. These taxes could include production, real estate, personal property, and pump tax. No authoritative reference available. false 18 TOTAL OPERATING EXPENSES 4 us-gaap_OperatingExpenses us-gaap true debit duration No definition available. false false false false false false false false false false false totallabel false 1 false true false false 3002000000 3002 true false false 2 false true false false 2804000000 2804 true false false 3 false true false false 8558000000 8558 true false false 4 false true false false 8282000000 8282 true false false 5 false true false false 2199000000 2199 true false false 6 false true false false 2076000000 2076 true false false 7 false true false false 6503000000 6503 true false false 8 false true false false 6292000000 6292 true false false xbrli:monetaryItemType monetary Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense. No authoritative reference available. true 19 OPERATING INCOME 3 us-gaap_OperatingIncomeLoss us-gaap true credit duration No definition available. false false false false false false false false false false false totallabel false 1 false true false false 705000000 705 true false false 2 false true false false 685000000 685 true false false 3 false true false false 1627000000 1627 true false false 4 false true false false 1476000000 1476 true false false 5 false true false false 666000000 666 true false false 6 false true false false 579000000 579 true false false 7 false true false false 1512000000 1512 true false false 8 false true false false 1353000000 1353 true false false xbrli:monetaryItemType monetary The net result for the period of deducting operating expenses from operating revenues. No authoritative reference available. true 20 OTHER INCOME (DEDUCTIONS) 3 us-gaap_OtherNonoperatingIncomeExpenseAbstract us-gaap true na duration No definition available. false false false false false true false false false false false false 1 false false false false 0 0 true false false 2 false false false false 0 0 true false false 3 false false false false 0 0 true false false 4 false false false false 0 0 true false false 5 false false false false 0 0 true false false 6 false false false false 0 0 true false false 7 false false false false 0 0 true false false 8 false false false false 0 0 true false false xbrli:stringItemType string No definition available. false 21 Investment and other income 4 us-gaap_InvestmentIncomeNet us-gaap true credit duration No definition available. false false false false false false false false false false false false 1 false true false false 9000000 9 true false false 2 false true false false 3000000 3 true false false 3 false true false false 29000000 29 true false false 4 false true false false 25000000 25 true false false 5 false true false false 5000000 5 true false false 6 false true false false 8000000 8 true false false 7 false true false false 23000000 23 true false false 8 false true false false 23000000 23 true false false xbrli:monetaryItemType monetary This item represents investment income derived from investments in debt and equity securities consisting of interest income earned from investments in debt securities and on cash and cash equivalents, dividend income from investments in equity securities, and income or expense derived from the amortization of investment related discounts or premiums, respectively, net of related investment expenses. This item does not include realized or unrealized gains or losses on the sale or holding of investments in debt and equity securities required to be included in earnings for the period or for other than temporary losses related to investments in debt and equity securities which are included in realized losses in the period recognized, and does not include investment income from real or personal property, such as rental income. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name FASB Staff Position (FSP) -Number FAS115-1/124-1 -Paragraph 13, 14, 15, 16 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 115 -Paragraph 14, 16 false 22 Allowance for equity funds used during construction 4 us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedCostOfEquity us-gaap true credit duration No definition available. false false false false false false false false false false false false 1 false true false false 4000000 4 true false false 2 false true false false 4000000 4 true false false 3 false true false false 13000000 13 true false false 4 false true false false 9000000 9 true false false 5 false true false false 3000000 3 true false false 6 false true false false 3000000 3 true false false 7 false true false false 10000000 10 true false false 8 false true false false 8000000 8 true false false xbrli:monetaryItemType monetary The component of the allowance for funds used during construction during the period based on an assumed rate of return on equity funds used in financing the construction of regulated assets. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 71 -Paragraph 15 false 23 Other deductions 4 us-gaap_OtherNonoperatingExpense 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 -3000000 -3 true false false 2 false true false false -3000000 -3 true false false 3 false true false false -12000000 -12 true false false 4 false true false false -11000000 -11 true false false 5 false true false false -2000000 -2 true false false 6 false true false false -3000000 -3 true false false 7 false true false false -11000000 -11 true false false 8 false true false false -10000000 -10 true false false xbrli:monetaryItemType monetary Any other expense items resulting from secondary business-related activities, excluding those considered part of the normal operations of the business that have not been previously categorized. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 9 -Article 5 false 24 TOTAL OTHER INCOME (DEDUCTIONS) 4 us-gaap_NonoperatingIncomeExpense us-gaap true credit duration No definition available. false false false false false false false false false false false totallabel false 1 false true false false 10000000 10 true false false 2 false true false false 4000000 4 true false false 3 false true false false 30000000 30 true false false 4 false true false false 23000000 23 true false false 5 false true false false 6000000 6 true false false 6 false true false false 8000000 8 true false false 7 false true false false 22000000 22 true false false 8 false true false false 21000000 21 true false false xbrli:monetaryItemType monetary The aggregate amount of income (expense) from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business). Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Article 5 true 25 INCOME BEFORE INTEREST AND INCOME TAX EXPENSE 3 ed_IncomeBeforeInterestIncomeInterestExpenseAndIncomeTaxes ed false credit duration Income before interest income, interest expense and income taxes false false false false false false false false false false false totallabel false 1 false true false false 715000000 715 true false false 2 false true false false 689000000 689 true false false 3 false true false false 1657000000 1657 true false false 4 false true false false 1499000000 1499 true false false 5 false true false false 672000000 672 true false false 6 false true false false 587000000 587 true false false 7 false true false false 1534000000 1534 true false false 8 false true false false 1374000000 1374 true false false xbrli:monetaryItemType monetary Income before interest income, interest expense and income taxes No authoritative reference available. true 26 INTEREST EXPENSE 3 us-gaap_InterestExpenseAbstract us-gaap true na duration No definition available. false false false false false true false false false false false false 1 false false false false 0 0 true false false 2 false false false false 0 0 true false false 3 false false false false 0 0 true false false 4 false false false false 0 0 true false false 5 false false false false 0 0 true false false 6 false false false false 0 0 true false false 7 false false false false 0 0 true false false 8 false false false false 0 0 true false false xbrli:stringItemType string No definition available. false 27 Interest on long-term debt 4 us-gaap_InterestExpenseDebt us-gaap true debit duration No definition available. false false false false false false false false false false false false 1 false true false false 152000000 152 true false false 2 false true false false 148000000 148 true false false 3 false true false false 450000000 450 true false false 4 false true false false 441000000 441 true false false 5 false true false false 137000000 137 true false false 6 false true false false 134000000 134 true false false 7 false true false false 406000000 406 true false false 8 false true false false 399000000 399 true false false xbrli:monetaryItemType monetary Represents the portion of interest incurred in the period on debt arrangements that was charged against earnings. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 8 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 34 -Paragraph 21 false 28 Other interest 4 us-gaap_InterestExpenseOther us-gaap true debit duration No definition available. false false false false false false false false false false false false 1 false true false false 7000000 7 true false false 2 false true false false 10000000 10 true false false 3 false true false false 13000000 13 true false false 4 false true false false 20000000 20 true false false 5 false true false false 5000000 5 true false false 6 false true false false 11000000 11 true false false 7 false true false false 13000000 13 true false false 8 false true false false 19000000 19 true false false xbrli:monetaryItemType monetary Interest expense on all other items not previously classified. For example, includes dividends associated with redeemable preferred stock of a subsidiary that is treated as a liability in the parent's consolidated balance sheet. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Statement of Position (SOP) -Number 01-6 -Paragraph 14 -Subparagraph l Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher OTS -Name Federal Regulation (FR) -Number Title 12 -Chapter V -Section 563c.102 -Paragraph 6 -Subsection II Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Audit and Accounting Guide (AAG) -Number AAG-BRD -Chapter 4 -Paragraph 55 -IssueDate 2006-05-01 false 29 Allowance for borrowed funds used during construction 4 us-gaap_PublicUtilitiesAllowanceForFundsUsedDuringConstructionCapitalizedInterest us-gaap true debit duration No definition available. false false false false false false false false false false false false 1 false true false false -2000000 -2 true false false 2 false true false false -3000000 -3 true false false 3 false true false false -7000000 -7 true false false 4 false true false false -6000000 -6 true false false 5 false true false false -1000000 -1 true false false 6 false true false false -2000000 -2 true false false 7 false true false false -6000000 -6 true false false 8 false true false false -6000000 -6 true false false xbrli:monetaryItemType monetary The component of the allowance for funds used during construction during the period comprised of interest on borrowed funds used in financing the construction of regulated assets, which may be reflected as a reduction of interest expense. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 71 -Paragraph 15 false 30 NET INTEREST EXPENSE 4 us-gaap_InterestAndDebtExpense us-gaap true debit duration No definition available. false false false false false false false false false false false totallabel false 1 false true false false 157000000 157 true false false 2 false true false false 155000000 155 true false false 3 false true false false 456000000 456 true false false 4 false true false false 455000000 455 true false false 5 false true false false 141000000 141 true false false 6 false true false false 143000000 143 true false false 7 false true false false 413000000 413 true false false 8 false true false false 412000000 412 true false false xbrli:monetaryItemType monetary Interest and debt related expenses associated with nonoperating financing activities of the entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 34 -Paragraph 21 true 31 INCOME BEFORE INCOME TAX EXPENSE 3 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments us-gaap true credit duration No definition available. false false false false false false false false false false false totallabel false 1 false true false false 558000000 558 true false false 2 false true false false 534000000 534 true false false 3 false true false false 1201000000 1201 true false false 4 false true false false 1044000000 1044 true false false 5 false true false false 531000000 531 true false false 6 false true false false 444000000 444 true false false 7 false true false false 1121000000 1121 true false false 8 false true false false 962000000 962 true false false xbrli:monetaryItemType monetary Sum of operating profit and nonoperating income (expense) before income (loss) from equity method investments, income taxes, extraordinary items, cumulative effects of changes in accounting principles, and noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Subparagraph 1(i) -Article 4 true 32 INCOME TAX EXPENSE 3 us-gaap_IncomeTaxExpenseBenefit us-gaap true debit duration No definition available. false false false false false false false false false false false false 1 false true false false 205000000 205 true false false 2 false true false false 195000000 195 true false false 3 false true false false 433000000 433 true false false 4 false true false false 369000000 369 true false false 5 false true false false 196000000 196 true false false 6 false true false false 159000000 159 true false false 7 false true false false 404000000 404 true false false 8 false true false false 339000000 339 true false false xbrli:monetaryItemType monetary The sum of the current income tax expense (benefit) and the deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Article 4 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 45 -Subparagraph a, b false 33 NET INCOME 3 us-gaap_NetIncomeLoss us-gaap true credit duration No definition available. false false false false false false false false false false false totallabel false 1 false true false false 353000000 353 true false false 2 false true false false 339000000 339 true false false 3 false true false false 768000000 768 true false false 4 false true false false 675000000 675 true false false 5 false true false false 335000000 335 true false false 6 false true false false 285000000 285 true false false 7 false true false false 717000000 717 true false false 8 false true false false 623000000 623 true false false xbrli:monetaryItemType monetary The portion of consolidated profit or loss for the period, net of income taxes, which is attributable to the parent. If the entity does not present consolidated financial statements, the amount of profit or loss for the period, net of income taxes. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 19 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph d Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph A7 -Appendix A Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 38 -Subparagraph a Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 20 -Article 9 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 130 -Paragraph 10, 15 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 87-21 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28, 29, 30 true 34 Preferred stock dividend requirements of subsidiary 3 us-gaap_PreferredStockDividends 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 -3000000 -3 true false false 2 false true false false -3000000 -3 true false false 3 false true false false -9000000 -9 true false false 4 false true false false -9000000 -9 true false false 5 false true false false -3000000 -3 true false false 6 false true false false -3000000 -3 true false false 7 false true false false -8000000 -8 true false false 8 false true false false -8000000 -8 true false false xbrli:monetaryItemType monetary The amount of dividends declared or paid in the period to preferred shareholders, or the amount for which the obligation to pay them dividends arose in the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 6 -Section B Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Principles Board Opinion (APB) -Number 12 -Paragraph 10 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 40 -Subparagraph b false 35 NET INCOME FOR COMMON STOCK 3 us-gaap_NetIncomeLossAvailableToCommonStockholdersBasic us-gaap true credit duration No definition available. false false false false false false false false false false false totallabel false 1 true true false false 350000000 350 true false false 2 true true false false 336000000 336 true false false 3 true true false false 759000000 759 true false false 4 true true false false 666000000 666 true false false 5 true true false false 332000000 332 true false false 6 true true false false 282000000 282 true false false 7 true true false false 709000000 709 true false false 8 true true false false 615000000 615 true false false xbrli:monetaryItemType monetary Net income after adjustments for dividends on preferred stock (declared in the period) and/or cumulative preferred stock (accumulated for the period). Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 9 true 36 Net income for common stock per common share - basic 3 us-gaap_EarningsPerShareBasic us-gaap true na duration No definition available. false false false false false false false false false false false terselabel true 1 true true false false 1.24 1.24 true false false 2 true true false false 1.22 1.22 true false false 3 true true false false 2.69 2.69 true false false 4 true true false false 2.43 2.43 true false false 5 false false false false 0 0 true false false 6 false false false false 0 0 true false false 7 false false false false 0 0 true false false 8 false false false false 0 0 true false false us-types:perShareItemType decimal The amount of net income or loss for the period per each share of common stock outstanding during the reporting period. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 21 -Article 9 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 36, 37, 38 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 20 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 18 -Article 7 false 37 Net income for common stock per common share - diluted 3 us-gaap_EarningsPerShareDiluted us-gaap true na duration No definition available. false false false false false false false false false false false terselabel true 1 true true false false 1.23 1.23 true false false 2 true true false false 1.22 1.22 true false false 3 true true false false 2.68 2.68 true false false 4 true true false false 2.42 2.42 true false false 5 false false false false 0 0 true false false 6 false false false false 0 0 true false false 7 false false false false 0 0 true false false 8 false false false false 0 0 true false false us-types:perShareItemType decimal The amount of net income or loss for the period per each share of common stock and dilutive common stock equivalents outstanding during the reporting period. 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Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Article 3 false 39 AVERAGE NUMBER OF SHARES OUTSTANDING - BASIC (IN MILLIONS) 3 us-gaap_WeightedAverageNumberOfSharesOutstandingBasic us-gaap true na duration No definition available. false false false false false false false false false false false false 1 false true false false 283000000 283.0 true false false 2 false true false false 275100000 275.1 true false false 3 false true false false 282200000 282.2 true false false 4 false true false false 274500000 274.5 true false false 5 false false false false 0 0 true false false 6 false false false false 0 0 true false false 7 false false false false 0 0 true false false 8 false false false false 0 0 true false false xbrli:sharesItemType shares Number of [basic] shares, after adjustment for contingently issuable shares and other shares not deemed outstanding, determined by relating the portion of time within a reporting period that common shares have been outstanding to the total time in that period. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 171 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 40 -Subparagraph a Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 128 -Paragraph 8 false 40 AVERAGE NUMBER OF SHARES OUTSTANDING - DILUTED (IN MILLIONS) 3 us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding us-gaap true na duration No definition available. false false false false false false false false false false false false 1 false true false false 284600000 284.6 true false false 2 false true false false 276000000 276.0 true false false 3 false true false false 283700000 283.7 true false false 4 false true false false 275400000 275.4 true false false 5 false false false false 0 0 true false false 6 false false false false 0 0 true false false 7 false false false false 0 0 true false false 8 false false false false 0 0 true false false xbrli:sharesItemType shares The average number of shares issued and outstanding that are used in calculating diluted EPS, determined based on the timing of issuance of shares in the period. 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