XML 148 R100.htm IDEA: XBRL DOCUMENT v3.8.0.1
Regulatory Requirements - Bank Capital Requirements (Details) - USD ($)
$ in Millions
Dec. 31, 2017
Dec. 31, 2016
Total risk-based capital [Abstract]    
Minimum percentage of Common Equity Tier 1 capital conservation buffer 2.50%  
Minimum [Member] | Capital conservation buffer [Member]    
Common equity Tier I capital [Abstract]    
Common Equity Tier 1 Capital Required To Be Well Capitalized To Risk Weighted Assets 4.50%  
Tier I risk based capital [Abstract]    
Tier One Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets 6.00%  
Total risk-based capital [Abstract]    
Capital Required to be Well Capitalized to Risk Weighted Assets 8.00%  
Parent Company [Member]    
Tier I leverage [Abstract]    
Tier 1 Leverage Capital $ 4,386 $ 3,610
Tier 1 Leverage Capital to Average Assets 7.40% 7.80%
Tier 1 Leverage Capital Required to be Well Capitalized $ 2,976 $ 2,316
Tier 1 Leverage Capital Required to be Well Capitalized to Average Assets 5.00% 5.00%
Excess Tier 1 Leverage Capital $ 1,410 $ 1,294
Common equity Tier I capital [Abstract]    
Common Equity Tier 1 Capital $ 3,773 $ 3,483
Common Equity Tier 1 Capital to Risk Weighted Assets 33.90% 37.00%
Common Equity Tier 1 Capital Required To Be Well Capitalized $ 722 $ 612
Common Equity Tier 1 Capital Required To Be Well Capitalized To Risk Weighted Assets 6.50% 6.50%
Excess Common Equity Tier 1 Capital To Be Well Capitalized $ 3,051 $ 2,871
Tier I risk based capital [Abstract]    
Tier One Risk Based Capital $ 4,386 $ 3,610
Tier One Risk Based Capital to Risk Weighted Assets 39.50% 38.30%
Tier One Risk Based Capital Required to be Well Capitalized $ 889 $ 754
Tier One Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets 8.00% 8.00%
Excess Tier One Risk Based Capital to be Well Capitalized $ 3,497 $ 2,856
Total risk-based capital [Abstract]    
Capital $ 4,874 $ 4,148
Capital to Risk Weighted Assets 43.80% 44.00%
Capital Required to be Well Capitalized $ 1,111 $ 942
Capital Required to be Well Capitalized to Risk Weighted Assets 10.00% 10.00%
Excess capital $ 3,763 $ 3,206
E TRADE Bank [Member]    
Tier I leverage [Abstract]    
Tier 1 Leverage Capital $ 3,620 $ 3,132
Tier 1 Leverage Capital to Average Assets 7.60% 8.80%
Tier 1 Leverage Capital Required to be Well Capitalized $ 2,394 $ 1,786
Tier 1 Leverage Capital Required to be Well Capitalized to Average Assets 5.00% 5.00%
Excess Tier 1 Leverage Capital $ 1,226 $ 1,346
Common equity Tier I capital [Abstract]    
Common Equity Tier 1 Capital $ 3,620 $ 3,132
Common Equity Tier 1 Capital to Risk Weighted Assets 35.70% 38.30%
Common Equity Tier 1 Capital Required To Be Well Capitalized $ 660 $ 532
Common Equity Tier 1 Capital Required To Be Well Capitalized To Risk Weighted Assets 6.50% 6.50%
Excess Common Equity Tier 1 Capital To Be Well Capitalized $ 2,960 $ 2,600
Tier I risk based capital [Abstract]    
Tier One Risk Based Capital $ 3,620 $ 3,132
Tier One Risk Based Capital to Risk Weighted Assets 35.70% 38.30%
Tier One Risk Based Capital Required to be Well Capitalized $ 812 $ 655
Tier One Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets 8.00% 8.00%
Excess Tier One Risk Based Capital to be Well Capitalized $ 2,808 $ 2,477
Total risk-based capital [Abstract]    
Capital $ 3,694 $ 3,237
Capital to Risk Weighted Assets 36.40% 39.50%
Capital Required to be Well Capitalized $ 1,015 $ 819
Capital Required to be Well Capitalized to Risk Weighted Assets 10.00% 10.00%
Excess capital $ 2,679 $ 2,418
E TRADE Savings Bank    
Tier I leverage [Abstract]    
Tier 1 Leverage Capital $ 904 $ 226
Tier 1 Leverage Capital to Average Assets 26.60% 12.00%
Tier 1 Leverage Capital Required to be Well Capitalized $ 170 $ 94
Tier 1 Leverage Capital Required to be Well Capitalized to Average Assets 5.00% 5.00%
Excess Tier 1 Leverage Capital $ 734 $ 132
Common equity Tier I capital [Abstract]    
Common Equity Tier 1 Capital $ 904 $ 226
Common Equity Tier 1 Capital to Risk Weighted Assets 111.10% 69.60%
Common Equity Tier 1 Capital Required To Be Well Capitalized $ 53 $ 21
Common Equity Tier 1 Capital Required To Be Well Capitalized To Risk Weighted Assets 6.50% 6.50%
Excess Common Equity Tier 1 Capital To Be Well Capitalized $ 851 $ 205
Tier I risk based capital [Abstract]    
Tier One Risk Based Capital $ 904 $ 226
Tier One Risk Based Capital to Risk Weighted Assets 111.10% 69.60%
Tier One Risk Based Capital Required to be Well Capitalized $ 65 $ 26
Tier One Risk Based Capital Required to be Well Capitalized to Risk Weighted Assets 8.00% 8.00%
Excess Tier One Risk Based Capital to be Well Capitalized $ 839 $ 200
Total risk-based capital [Abstract]    
Capital $ 905 $ 227
Capital to Risk Weighted Assets 111.20% 69.80%
Capital Required to be Well Capitalized $ 81 $ 32
Capital Required to be Well Capitalized to Risk Weighted Assets 10.00% 10.00%
Excess capital $ 824 $ 195