XML 95 R103.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Debt (Schedule of Debt Outstanding) (Details)
€ in Millions, $ in Millions
Dec. 31, 2019
USD ($)
Dec. 31, 2019
EUR (€)
Jun. 30, 2019
USD ($)
Dec. 31, 2018
USD ($)
Mar. 31, 2000
USD ($)
Debt Instrument [Line Items]          
Repurchase agreements $ 1,416     $ 1,418  
Short-term debt 1,299     509  
Long-term debt 13,559     12,087  
Trust preferred securities 308     308  
Senior Notes          
Debt Instrument [Line Items]          
Long-term debt 13,559     12,087  
Senior Notes | INA Senior Notes Due November 2020 [Member]          
Debt Instrument [Line Items]          
Long-term debt 0     1,297  
Debt Instrument, Face Amount $ 1,300        
Long-term debt stated interest rate 2.30% 2.30%      
Make Whole Premium Additional Percent 0.15% 0.15%      
Senior Notes | INA Senior Notes Due November 2022 [Member]          
Debt Instrument [Line Items]          
Long-term debt $ 997     996  
Debt Instrument, Face Amount $ 1,000        
Long-term debt stated interest rate 2.875% 2.875%      
Make Whole Premium Additional Percent 0.20% 0.20%      
Senior Notes | INA Senior Notes Due March 2023 [Member]          
Debt Instrument [Line Items]          
Long-term debt $ 473     473  
Debt Instrument, Face Amount $ 475        
Long-term debt stated interest rate 2.70% 2.70%      
Make Whole Premium Additional Percent 0.10% 0.10%      
Senior Notes | INA Senior Notes Due May 2024 [Member]          
Debt Instrument [Line Items]          
Long-term debt $ 697     696  
Debt Instrument, Face Amount $ 700        
Long-term debt stated interest rate 3.35% 3.35%      
Make Whole Premium Additional Percent 0.15% 0.15%      
Senior Notes | INA Senior Notes Due December 2024 [Member]          
Debt Instrument [Line Items]          
Long-term debt $ 776     0  
Debt Instrument, Face Amount $ 779 € 700      
Long-term debt stated interest rate 0.30% 0.30%      
Make Whole Premium Additional Percent 0.15% 0.15%      
Senior Notes | INA Senior Notes Due March 2025 [Member]          
Debt Instrument [Line Items]          
Long-term debt $ 796     796  
Debt Instrument, Face Amount $ 800        
Long-term debt stated interest rate 3.15% 3.15%      
Make Whole Premium Additional Percent 0.15% 0.15%      
Senior Notes | INA Senior Notes Due May 2026 [Member]          
Debt Instrument [Line Items]          
Long-term debt $ 1,492     1,491  
Debt Instrument, Face Amount $ 1,500        
Long-term debt stated interest rate 3.35% 3.35%      
Make Whole Premium Additional Percent 0.20% 0.20%      
Senior Notes | INA Senior Notes Due June 2027 [Member]          
Debt Instrument [Line Items]          
Long-term debt $ 635     0  
Debt Instrument, Face Amount | €   € 575      
Long-term debt stated interest rate 0.875% 0.875%      
Make Whole Premium Additional Percent 0.20% 0.20%      
Senior Notes | INA Senior Notes Due March 2028 [Member]          
Debt Instrument [Line Items]          
Long-term debt $ 993     1,008  
Debt Instrument, Face Amount | €   € 900      
Long-term debt stated interest rate 1.55% 1.55%      
Make Whole Premium Additional Percent 0.15% 0.15%      
Senior Notes | INA Senior Notes Due August 2029 [Member]          
Debt Instrument [Line Items]          
Long-term debt $ 100     100  
Debt Instrument, Face Amount $ 100        
Long-term debt stated interest rate 8.875% 8.875%      
Senior Notes | INA Senior Notes Due December 2029 [Member]          
Debt Instrument [Line Items]          
Long-term debt $ 775     0  
Debt Instrument, Face Amount $ 779 € 700      
Long-term debt stated interest rate 0.875% 0.875%      
Make Whole Premium Additional Percent 0.20% 0.20%      
Senior Notes | INA Senior Notes Due June 2031 [Member]          
Debt Instrument [Line Items]          
Long-term debt $ 633     0  
Debt Instrument, Face Amount | €   € 575      
Long-term debt stated interest rate 1.40% 1.40%      
Make Whole Premium Additional Percent 0.25% 0.25%      
Senior Notes | INA Senior Notes Due November 2031 [Member]          
Debt Instrument [Line Items]          
Long-term debt $ 246     250  
Debt Instrument, Face Amount $ 200        
Long-term debt stated interest rate 6.80% 6.80%      
Make Whole Premium Additional Percent 0.25% 0.25%      
Senior Notes | INA Senior Notes Due May 2036 [Member]          
Debt Instrument [Line Items]          
Long-term debt $ 297     297  
Debt Instrument, Face Amount $ 300        
Long-term debt stated interest rate 6.70% 6.70%      
Make Whole Premium Additional Percent 0.20% 0.20%      
Senior Notes | INA Senior Notes Due May 2037 [Member]          
Debt Instrument [Line Items]          
Long-term debt $ 953     962  
Debt Instrument, Face Amount $ 800        
Long-term debt stated interest rate 6.00% 6.00%      
Make Whole Premium Additional Percent 0.20% 0.20%      
Senior Notes | INA Senior Notes Due March 2038 [Member]          
Debt Instrument [Line Items]          
Long-term debt $ 992     1,008  
Debt Instrument, Face Amount | €   € 900      
Long-term debt stated interest rate 2.50% 2.50%      
Make Whole Premium Additional Percent 0.25% 0.25%      
Senior Notes | INA Senior Notes Due May 2038 [Member]          
Debt Instrument [Line Items]          
Long-term debt $ 751     759  
Debt Instrument, Face Amount $ 600        
Long-term debt stated interest rate 6.50% 6.50%      
Make Whole Premium Additional Percent 0.30% 0.30%      
Senior Notes | INA Senior Notes Due March 2043 [Member]          
Debt Instrument [Line Items]          
Long-term debt $ 470     470  
Debt Instrument, Face Amount $ 475        
Long-term debt stated interest rate 4.15% 4.15%      
Make Whole Premium Additional Percent 0.15% 0.15%      
Senior Notes | INA Senior Notes Due November 2045 [Member]          
Debt Instrument [Line Items]          
Long-term debt $ 1,483     1,483  
Debt Instrument, Face Amount $ 1,500        
Long-term debt stated interest rate 4.35% 4.35%      
Make Whole Premium Additional Percent 0.25% 0.25%      
Senior Notes | Other Long Term Debt due September 2020 [Member]          
Debt Instrument [Line Items]          
Long-term debt $ 0     1  
Long-term debt stated interest rate 2.75% 2.75%      
Trust Preferred Securities | INA capital securities due 2030          
Debt Instrument [Line Items]          
Debt Instrument, Face Amount $ 309       $ 300
Trust preferred securities $ 308     308  
Long-term debt stated interest rate 9.70% 9.70%     9.70%
Repurchase agreements          
Debt Instrument [Line Items]          
Short-term debt $ 1,416     $ 1,418  
Weighted average interest rate on short-term debt 2.20% 2.20%   2.50%  
Senior Notes | INA Senior Note Due June 2019 [Member]          
Debt Instrument [Line Items]          
Short-term debt $ 0     $ 500  
Make Whole Premium Additional Percent 0.40% 0.40%      
Senior Notes | INA Senior Notes Due June 2019 [Member]          
Debt Instrument [Line Items]          
Debt Instrument, Face Amount $ 500   $ 500    
Long-term debt stated interest rate 5.90% 5.90% 5.90%    
Senior Notes | INA Senior Notes Due November 2020 [Member]          
Debt Instrument [Line Items]          
Short-term debt $ 1,298     0  
Debt Instrument, Face Amount $ 1,300        
Long-term debt stated interest rate 2.30% 2.30%      
Make Whole Premium Additional Percent 0.15% 0.15%      
Senior Notes | Other Short Term Debt due September 2020 [Member]          
Debt Instrument [Line Items]          
Short-term debt $ 1        
Long-term debt stated interest rate 2.75% 2.75%      
Senior Notes | Other Short Term Debt due December 2019 [Member]          
Debt Instrument [Line Items]          
Short-term debt       $ 9  
Long-term debt stated interest rate       7.10%