XML 121 R82.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Employee Benefit Plans - Schedule of Changes in Fair Value of Plan Assets (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Pension Benefits [Member]    
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]    
Fair value of plan assets at beginning of period $ 10,053 $ 11,395
Actual return (loss) on plan assets 2,305 (1,151)
Employer contributions 1,230 475
Settlements (2) (4)
Benefit payments (689) (662)
Fair value of plan assets at end of period 12,897 10,053
Funded status at end of period (5,461) (6,325)
Supplemental contributions by employer 444 433
Minimum required cash contribution 786 42
Retiree Medical And Other Postretirement Benefits [Member]    
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]    
Fair value of plan assets at beginning of period 225 295
Actual return (loss) on plan assets 41 (24)
Employer contributions 12 35
Settlements 0 0
Benefit payments (74) (81)
Fair value of plan assets at end of period 204 225
Funded status at end of period (620) (612)
American Airlines, Inc. [Member] | Pension Benefits [Member]    
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]    
Fair value of plan assets at beginning of period 10,001 11,340
Actual return (loss) on plan assets 2,292 (1,148)
Employer contributions 1,224 472
Settlements (2) (4)
Benefit payments (686) (659)
Fair value of plan assets at end of period 12,829 10,001
Funded status at end of period (5,417) (6,281)
Supplemental contributions by employer 444 433
Minimum required cash contribution 780 39
American Airlines, Inc. [Member] | Retiree Medical And Other Postretirement Benefits [Member]    
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]    
Fair value of plan assets at beginning of period 225 295
Actual return (loss) on plan assets 41 (24)
Employer contributions 12 35
Settlements 0 0
Benefit payments (74) (81)
Fair value of plan assets at end of period 204 225
Funded status at end of period $ (620) $ (612)