XML 86 R71.htm IDEA: XBRL DOCUMENT v3.8.0.1
Employment Benefit Plans Expected Benefit Payments (Details)
$ in Millions
Dec. 31, 2017
USD ($)
Pension Plan [Member]  
Defined Benefit Plan Disclosure [Line Items]  
Expected benefit payments, 2018 $ 165 [1]
Expected benefit payments, 2019 153 [1]
Expected benefit payments, 2020 153 [1]
Expected benefit payments, 2021 147 [1]
Expected benefit payments, 2022 142 [1]
Expected benefit payments, 2023 - 2027 652 [1]
Retiree Health and Welfare Benefits [Member]  
Defined Benefit Plan Disclosure [Line Items]  
Expected benefit payments, 2018 19 [2]
Expected benefit payments, 2019 18 [2]
Expected benefit payments, 2020 17 [2]
Expected benefit payments, 2021 17 [2]
Expected benefit payments, 2022 16 [2]
Expected benefit payments, 2023 - 2027 71 [2]
Expected contributions to unfunded non-qualified pension plan in next fiscal year 0
Funded Pension Plan [Member] | Pension Plan [Member]  
Defined Benefit Plan Disclosure [Line Items]  
Expected contributions to unfunded non-qualified pension plan in next fiscal year 0
Unfunded Non-Qualified Pension Plan [Member] | Pension Plan [Member]  
Defined Benefit Plan Disclosure [Line Items]  
Expected contributions to unfunded non-qualified pension plan in next fiscal year $ 10
[1] Primarily consists of the BNSF Retirement Plan payments, which are made from the plan trust and do not represent an immediate cash outflow to the Company.
[2] Expected payments for 2018 and a portion of 2019 will be made from the plan trust and do not represent an immediate cash outflow to the Company.