Derivatives and Hedging Activites (Option Pay/Rec) (Details 3) $ in Millions |
Sep. 30, 2018
USD ($)
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Summary of Option Premiums Payable and Receivable | ||||
Premiums payable | $ 1,521 | |||
Premiums receivable | 712 | |||
2018 [Member] | ||||
Summary of Option Premiums Payable and Receivable | ||||
Premiums payable | 54 | [1] | ||
Premiums receivable | 31 | [1] | ||
2019 [Member] | ||||
Summary of Option Premiums Payable and Receivable | ||||
Premiums payable | 294 | |||
Premiums receivable | 171 | |||
2020 [Member] | ||||
Summary of Option Premiums Payable and Receivable | ||||
Premiums payable | 216 | |||
Premiums receivable | 132 | |||
2021 [Member] | ||||
Summary of Option Premiums Payable and Receivable | ||||
Premiums payable | 187 | |||
Premiums receivable | 119 | |||
2022 [Member] | ||||
Summary of Option Premiums Payable and Receivable | ||||
Premiums payable | 225 | |||
Premiums receivable | 200 | |||
2023-2027 [Member] | ||||
Summary of Option Premiums Payable and Receivable | ||||
Premiums payable | 545 | |||
Premiums receivable | $ 59 | |||
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