v3.24.1.1.u2
Financial risk management - Disclosure of maturity analysis for financial liabilities and derivatives (Details) - GBP (£)
£ in Millions
Mar. 31, 2024
Mar. 31, 2023
Non-derivative financial liabilities    
Lease liabilities £ (1,010) £ (916)
Less than 1 year    
Non-derivative financial liabilities    
Lease liabilities (133) (118)
Liquidity risk    
Non-derivative financial liabilities    
Borrowings, excluding lease liabilities (45,386) (41,635)
Interest payments on borrowings (21,580) (18,913)
Lease liabilities (1,010) (916)
Other non-interest-bearing liabilities (4,173) (4,648)
Contingent consideration 0 (19)
Derivative financial assets    
Financial liabilities (73,686) (67,910)
Liquidity risk | Derivative contracts – receipts    
Derivative financial assets    
Derivative financial assets 8,716 9,502
Liquidity risk | Derivative contracts – payments    
Derivative financial assets    
Derivative financial assets (8,436) (9,257)
Liquidity risk | Commodity derivatives - receipts    
Derivative financial assets    
Derivative financial assets 32 59
Liquidity risk | Commodity derivatives - payments    
Derivative financial assets    
Derivative financial assets (15) (20)
Liquidity risk | Derivative contracts – receipts    
Derivative financial liabilities    
Derivative financial liabilities 16,494 13,073
Liquidity risk | Derivative contracts – payments    
Derivative financial liabilities    
Derivative financial liabilities (18,229) (14,984)
Liquidity risk | Commodity derivatives - receipts    
Derivative financial liabilities    
Derivative financial liabilities 11 21
Liquidity risk | Commodity derivatives - payments    
Derivative financial liabilities    
Derivative financial liabilities (110) (173)
Liquidity risk | Less than 1 year    
Non-derivative financial liabilities    
Borrowings, excluding lease liabilities (4,480) (2,433)
Interest payments on borrowings (1,505) (1,220)
Lease liabilities (133) (118)
Other non-interest-bearing liabilities (3,715) (4,232)
Contingent consideration 0 (19)
Derivative financial assets    
Financial liabilities (10,332) (8,309)
Liquidity risk | Less than 1 year | Derivative contracts – receipts    
Derivative financial assets    
Derivative financial assets 1,927 4,757
Liquidity risk | Less than 1 year | Derivative contracts – payments    
Derivative financial assets    
Derivative financial assets (1,884) (4,679)
Liquidity risk | Less than 1 year | Commodity derivatives - receipts    
Derivative financial assets    
Derivative financial assets 23 48
Liquidity risk | Less than 1 year | Commodity derivatives - payments    
Derivative financial assets    
Derivative financial assets (9) (11)
Liquidity risk | Less than 1 year | Derivative contracts – receipts    
Derivative financial liabilities    
Derivative financial liabilities 5,583 1,174
Liquidity risk | Less than 1 year | Derivative contracts – payments    
Derivative financial liabilities    
Derivative financial liabilities (6,068) (1,461)
Liquidity risk | Less than 1 year | Commodity derivatives - receipts    
Derivative financial liabilities    
Derivative financial liabilities 8 11
Liquidity risk | Less than 1 year | Commodity derivatives - payments    
Derivative financial liabilities    
Derivative financial liabilities (79) (126)
Liquidity risk | In 1 to 2 years    
Non-derivative financial liabilities    
Borrowings, excluding lease liabilities (2,627) (2,722)
Interest payments on borrowings (1,442) (1,244)
Lease liabilities (118) (102)
Other non-interest-bearing liabilities (458) (416)
Contingent consideration 0 0
Derivative financial assets    
Financial liabilities (5,167) (4,809)
Liquidity risk | In 1 to 2 years | Derivative contracts – receipts    
Derivative financial assets    
Derivative financial assets 311 701
Liquidity risk | In 1 to 2 years | Derivative contracts – payments    
Derivative financial assets    
Derivative financial assets (312) (676)
Liquidity risk | In 1 to 2 years | Commodity derivatives - receipts    
Derivative financial assets    
Derivative financial assets 8 11
Liquidity risk | In 1 to 2 years | Commodity derivatives - payments    
Derivative financial assets    
Derivative financial assets (5) (6)
Liquidity risk | In 1 to 2 years | Derivative contracts – receipts    
Derivative financial liabilities    
Derivative financial liabilities 2,993 2,154
Liquidity risk | In 1 to 2 years | Derivative contracts – payments    
Derivative financial liabilities    
Derivative financial liabilities (3,496) (2,483)
Liquidity risk | In 1 to 2 years | Commodity derivatives - receipts    
Derivative financial liabilities    
Derivative financial liabilities 3 9
Liquidity risk | In 1 to 2 years | Commodity derivatives - payments    
Derivative financial liabilities    
Derivative financial liabilities (24) (35)
Liquidity risk | In 2 to 3 years    
Non-derivative financial liabilities    
Borrowings, excluding lease liabilities (3,036) (2,614)
Interest payments on borrowings (1,386) (1,148)
Lease liabilities (97) (86)
Other non-interest-bearing liabilities 0 0
Contingent consideration 0 0
Derivative financial assets    
Financial liabilities (4,705) (4,159)
Liquidity risk | In 2 to 3 years | Derivative contracts – receipts    
Derivative financial assets    
Derivative financial assets 3,993 745
Liquidity risk | In 2 to 3 years | Derivative contracts – payments    
Derivative financial assets    
Derivative financial assets (3,935) (719)
Liquidity risk | In 2 to 3 years | Commodity derivatives - receipts    
Derivative financial assets    
Derivative financial assets 1 0
Liquidity risk | In 2 to 3 years | Commodity derivatives - payments    
Derivative financial assets    
Derivative financial assets (1) (3)
Liquidity risk | In 2 to 3 years | Derivative contracts – receipts    
Derivative financial liabilities    
Derivative financial liabilities 2,672 2,381
Liquidity risk | In 2 to 3 years | Derivative contracts – payments    
Derivative financial liabilities    
Derivative financial liabilities (2,909) (2,705)
Liquidity risk | In 2 to 3 years | Commodity derivatives - receipts    
Derivative financial liabilities    
Derivative financial liabilities 0 1
Liquidity risk | In 2 to 3 years | Commodity derivatives - payments    
Derivative financial liabilities    
Derivative financial liabilities (7) (11)
Liquidity risk | More than 3 years    
Non-derivative financial liabilities    
Borrowings, excluding lease liabilities (35,243) (33,866)
Interest payments on borrowings (17,247) (15,301)
Lease liabilities (662) (610)
Other non-interest-bearing liabilities 0 0
Contingent consideration 0 0
Derivative financial assets    
Financial liabilities (53,482) (50,633)
Liquidity risk | More than 3 years | Derivative contracts – receipts    
Derivative financial assets    
Derivative financial assets 2,485 3,299
Liquidity risk | More than 3 years | Derivative contracts – payments    
Derivative financial assets    
Derivative financial assets (2,305) (3,183)
Liquidity risk | More than 3 years | Commodity derivatives - receipts    
Derivative financial assets    
Derivative financial assets 0 0
Liquidity risk | More than 3 years | Commodity derivatives - payments    
Derivative financial assets    
Derivative financial assets 0 0
Liquidity risk | More than 3 years | Derivative contracts – receipts    
Derivative financial liabilities    
Derivative financial liabilities 5,246 7,364
Liquidity risk | More than 3 years | Derivative contracts – payments    
Derivative financial liabilities    
Derivative financial liabilities (5,756) (8,335)
Liquidity risk | More than 3 years | Commodity derivatives - receipts    
Derivative financial liabilities    
Derivative financial liabilities 0 0
Liquidity risk | More than 3 years | Commodity derivatives - payments    
Derivative financial liabilities    
Derivative financial liabilities £ 0 £ (1)