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Subsequent Event (Details) - Subsequent Event - Forecast - 52 Lime Street, London, UK
£ in Millions, $ in Millions
3 Months Ended
Feb. 23, 2022
GBP (£)
Mar. 31, 2022
USD ($)
Subsequent Event [Line Items]    
Real estate sold (purchased) | £ £ 718  
Expected gain on sales of real estate | $   $ 300