XML 169 R66.htm IDEA: XBRL DOCUMENT v2.4.1.9
OTHER FINANCIAL DATA - FOREIGN CURRENCY TRANSLATION (Details) (USD $)
In Millions, unless otherwise specified
 12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Foreign Currency Translation [Line Items]      
Equity Method Investment, Functional Currency To Reporting Currency Adjustment $ (15)sre_EquityMethodInvestmentFunctionalCurrencyToReportingCurrencyAdjustment $ (3)sre_EquityMethodInvestmentFunctionalCurrencyToReportingCurrencyAdjustment $ 9sre_EquityMethodInvestmentFunctionalCurrencyToReportingCurrencyAdjustment