Post-retirement defined benefit schemes (Details) - GBP (£) £ in Millions	Jun. 30, 2020	Dec. 31, 2019
Defined benefit pension schemes:
Net scheme asset	£ 1,970	£ 424
Retirement benefit assets	2,241	681
Retirement benefit obligations	(271)	(257)
Defined benefit pension scheme
Defined benefit pension schemes:
Fair value of scheme assets	50,696	45,791
Present value of funded obligations	(48,593)	(45,241)
Net scheme asset	2,103	550
Other post-retirement schemes
Defined benefit pension schemes:
Net scheme asset	£ (133)	£ (126)

The present value, without deducting any plan assets, of expected future payments required to settle the obligation resulting from employee service in the current and prior periods. [Refer: Plan assets, at fair value]

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The amount of deficit or surplus in a defined benefit plan, adjusted for any effect of limiting a net defined benefit asset to the asset ceiling. [Refer: Defined benefit plans [member]]

+ References

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The fair value of defined benefit plan assets. Plan assets comprise assets held by a long-term employee benefit fund and qualifying insurance policies. [Refer: At fair value [member]]

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The amount of surplus in a defined benefit plan, adjusted for any effect of limiting a net defined benefit asset to the asset ceiling. [Refer: Defined benefit plans [member]]

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The amount of deficit in a defined benefit plan. [Refer: Defined benefit plans [member]]

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