XML 397 R112.htm IDEA: XBRL DOCUMENT v3.22.0.1
Discontinued operations and assets and liabilities of disposal groups - Operating cash flows attributable to discontinued operations (Details) - Discontinued operations - GBP (£)
£ in Millions
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Noncurrent assets or disposal groups classified as held for sale      
Net cash flows from operating activities £ 1,290 £ (895) £ (3,909)
Net increase/(decrease) in cash and cash equivalents £ 1,290 £ (895) £ (3,909)