v3.19.2
Acquisitions and Dispositions - Assets Held for Sale (Details) - USD ($)
$ in Millions
Jun. 30, 2019
Dec. 31, 2018
Assets Held for Sale:    
Current assets $ 58 $ 393
Liabilities Held for Sale:    
Current liabilities 36 425
Other non-current liabilities 39 2,836
SOUTHERN POWER CO    
Liabilities Held for Sale:    
Current liabilities 10 15
Disposal Group, Held-for-sale, Not Discontinued Operations    
Assets Held for Sale:    
Current assets 58 393
Total property, plant, and equipment 588 4,583
Goodwill and other intangible assets 51 40
Other non-current assets 46 727
Total Assets Held for Sale 743 5,743
Liabilities Held for Sale:    
Current liabilities 36 425
Other non-current liabilities 39 932
Long-term debt   1,286
Accumulated deferred income taxes   618
Total Liabilities Held for Sale 75 3,261
Disposal Group, Held-for-sale, Not Discontinued Operations | SOUTHERN POWER CO    
Assets Held for Sale:    
Current assets 10 8
Total property, plant, and equipment 559 536
Goodwill and other intangible assets 40 40
Other non-current assets 0 0
Total Assets Held for Sale 609 584
Liabilities Held for Sale:    
Current liabilities 10 15
Other non-current liabilities 0 0
Long-term debt   0
Accumulated deferred income taxes   0
Total Liabilities Held for Sale $ 10 $ 15