XML 70 R44.htm IDEA: XBRL DOCUMENT v3.20.2
GENERAL INFORMATION AND OTHER FINANCIAL DATA - CHANGES IN ACCUMULATED OTHER COMPREHENSIVE INCOME (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Dec. 31, 2019
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]          
Beginning balance [1]     $ 19,929    
OCI before reclassifications $ 13 $ (139) (273) $ (211)  
Amounts reclassified from AOCI 16 9 699 39  
Net OCI 29 (130) 426 (172)  
Ending balance 23,228   23,228   $ 19,929 [1]
Sempra Mexico [Member]          
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]          
AOCI associated with noncontrolling interests 5   5    
Foreign currency translation adjustments [Member]          
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]          
Beginning balance (83) (518) (607) (564) (564)
OCI before reclassifications 6 (91) (115) (45)  
Amounts reclassified from AOCI 0 0 645 0  
Net OCI 6 (91) 530 (45)  
Ending balance (77) (609) (77) (609) (607)
Financial instruments [Member]          
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]          
Beginning balance (361) (213) (215) (82) (82)
OCI before reclassifications 14 (41) (153) (153)  
Amounts reclassified from AOCI 4 4 25 10  
Net OCI 18 (37) (128) (143)  
Ending balance (343) (250) (343) (250) (215)
Pension and other postretirement benefits [Member]          
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]          
Beginning balance (98) (117) (117) (118) (118)
OCI before reclassifications (7) (7) (5) (13)  
Amounts reclassified from AOCI 12 5 29 29  
Net OCI 5 (2) 24 16  
Ending balance (93) (119) (93) (119) (117)
Total accumulated other comprehensive income (loss) [Member]          
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]          
Beginning balance (542) (848) (939) (764) (764)
Ending balance (513) (978) (513) (978) (939)
San Diego Gas and Electric Company [Member]          
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]          
Beginning balance [1]     7,100    
Amounts reclassified from AOCI     4 1  
Net OCI     4 1  
Ending balance 7,537   7,537   7,100 [1]
San Diego Gas and Electric Company [Member] | Pension and other postretirement benefits [Member]          
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]          
Beginning balance (12) (11) (16) (10) (10)
Amounts reclassified from AOCI     4 1  
Net OCI     4 1  
Ending balance (12) (11) (12) (11) (16)
San Diego Gas and Electric Company [Member] | Total accumulated other comprehensive income (loss) [Member]          
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]          
Beginning balance (12) (11) (16) (10) (10)
Ending balance (12) (11) (12) (11) (16)
Southern California Gas Company [Member]          
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]          
Beginning balance [1]     4,748    
Amounts reclassified from AOCI   1 1 5  
Net OCI   1 1 5  
Ending balance 5,074   5,074   4,748 [1]
Southern California Gas Company [Member] | Financial instruments [Member]          
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]          
Beginning balance (13) (14) (13) (12) (12)
Amounts reclassified from AOCI   1 0 1  
Net OCI   1 0 1  
Ending balance (13) (13) (13) (13) (13)
Southern California Gas Company [Member] | Pension and other postretirement benefits [Member]          
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]          
Beginning balance (9) (6) (10) (8) (8)
Amounts reclassified from AOCI   0 1 4  
Net OCI   0 1 4  
Ending balance (9) (6) (9) (6) (10)
Southern California Gas Company [Member] | Total accumulated other comprehensive income (loss) [Member]          
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]          
Beginning balance (22) (20) (23) (20) (20)
Ending balance $ (22) $ (19) (22) (19) (23)
Cumulative Effect, Period of Adoption, Adjustment [Member] | Foreign currency translation adjustments [Member]          
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]          
Beginning balance       0 0
Cumulative Effect, Period of Adoption, Adjustment [Member] | Financial instruments [Member]          
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]          
Beginning balance       (25) (25)
Cumulative Effect, Period of Adoption, Adjustment [Member] | Pension and other postretirement benefits [Member]          
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]          
Beginning balance       (17) (17)
Cumulative Effect, Period of Adoption, Adjustment [Member] | Total accumulated other comprehensive income (loss) [Member]          
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]          
Beginning balance       (42) (42)
Cumulative Effect, Period of Adoption, Adjustment [Member] | San Diego Gas and Electric Company [Member] | Pension and other postretirement benefits [Member]          
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]          
Beginning balance       (2) (2)
Cumulative Effect, Period of Adoption, Adjustment [Member] | San Diego Gas and Electric Company [Member] | Total accumulated other comprehensive income (loss) [Member]          
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]          
Beginning balance       (2) (2)
Cumulative Effect, Period of Adoption, Adjustment [Member] | Southern California Gas Company [Member] | Financial instruments [Member]          
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]          
Beginning balance       (2) (2)
Cumulative Effect, Period of Adoption, Adjustment [Member] | Southern California Gas Company [Member] | Pension and other postretirement benefits [Member]          
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]          
Beginning balance       (2) (2)
Cumulative Effect, Period of Adoption, Adjustment [Member] | Southern California Gas Company [Member] | Total accumulated other comprehensive income (loss) [Member]          
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]          
Beginning balance       $ (4) (4)
San Diego Gas and Electric Company [Member] | Pension and other postretirement benefits [Member]          
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]          
Amounts reclassified from AOCI     $ (3)    
Southern California Gas Company [Member] | Pension and other postretirement benefits [Member]          
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]          
Amounts reclassified from AOCI         $ (4)
[1] Derived from audited financial statements.