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v3.19.2

Employee Benefits (Details) £ in Millions, $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 USD ($) | Jun. 30, 2018 GBP (£) | Jun. 30, 2018 USD ($) | Jun. 30, 2019 USD ($) | Jun. 30, 2018 GBP (£) | Jun. 30, 2018 USD ($)
U.K. |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |
Service cost | $ 0 |  | $ 0 | $ 0 |  | $ 0
Interest cost | 27 |  | 29 | 55 |  | 58
Expected return on plan assets, net of administration expenses | (48) |  | (50) | (97) |  | (101)
Amortization of prior-service cost | 0 |  | 0 | 1 |  | 0
Amortization of net actuarial loss | 8 |  | 7 | 15 |  | 15
Net periodic (benefit) cost | (13) |  | (14) | (26) |  | (28)
Loss on pension settlement | 0 |  | 16 | 0 |  | 23
Total net periodic (benefit) cost | (13) |  | 2 | (26) |  | (5)
Payment for settlement |  |  |  |  | £ 99 | 132
Benefit obligation period increase (decrease) |  | £ (87) | (115) |  |  |
Benefit obligation, (increase) decrease for settlement |  | £ 12 | 16 |  | £ 17 | 23
Estimate of contributions to defined benefit pension plans for the current fiscal year | 80 |  |  | 80 |  |
Contributions made to defined benefit pension plans | 23 |  | 25 | 46 |  | 48
U.S. |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |
Service cost | 0 |  | 0 | 0 |  | 0
Interest cost | 27 |  | 25 | 54 |  | 50
Expected return on plan assets, net of administration expenses | (34) |  | (36) | (68) |  | (72)
Amortization of prior-service cost | 0 |  | 1 | 1 |  | 1
Amortization of net actuarial loss | 14 |  | 15 | 27 |  | 30
Net periodic (benefit) cost | 7 |  | 5 | 14 |  | 9
Loss on pension settlement | 0 |  | 0 | 0 |  | 0
Total net periodic (benefit) cost | 7 |  | 5 | 14 |  | 9
Estimate of contributions to defined benefit pension plans for the current fiscal year | 46 |  |  | 46 |  |
Contributions made to defined benefit pension plans | 6 |  | 8 | 23 |  | 25
Other |  |  |  |  |  |
Defined Benefit Plan Disclosure |  |  |  |  |  |
Service cost | 0 |  | 0 | 0 |  | 0
Interest cost | 7 |  | 7 | 14 |  | 14
Expected return on plan assets, net of administration expenses | (10) |  | (11) | (20) |  | (23)
Amortization of prior-service cost | 0 |  | 0 | 0 |  | 0
Amortization of net actuarial loss | 3 |  | 3 | 6 |  | 6
Net periodic (benefit) cost | 0 |  | (1) | 0 |  | (3)
Loss on pension settlement | 0 |  | 0 | 0 |  | 0
Total net periodic (benefit) cost | 0 |  | (1) | 0 |  | (3)
Estimate of contributions to defined benefit pension plans for the current fiscal year | 19 |  |  | 19 |  |
Contributions made to defined benefit pension plans | $ 3 |  | $ 3 | $ 10 |  | $ 11

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