v3.26.1
Financial risk management and financial instruments - Contractual Cash Flows (Details) - ZAR (R)
R in Millions
Jun. 30, 2026
Jun. 30, 2025
Financial risk management and financial instruments    
Financial assets - carrying value R 93,127 R 85,517
Financial liabilities - carrying value (146,464) (155,495)
Contractual cash flows, financial assets 104,118 84,629
Contractual cash flows, financial liabilities (191,096) (201,782)
Within one year    
Financial risk management and financial instruments    
Contractual cash flows, financial assets 94,764 81,901
Contractual cash flows, financial liabilities (56,874) (46,359)
One to three years    
Financial risk management and financial instruments    
Contractual cash flows, financial assets 1,458 1,429
Contractual cash flows, financial liabilities (50,600) (46,408)
Three to five years    
Financial risk management and financial instruments    
Contractual cash flows, financial assets 732 538
Contractual cash flows, financial liabilities (39,497) (66,646)
More than five years    
Financial risk management and financial instruments    
Contractual cash flows, financial assets 7,164 761
Contractual cash flows, financial liabilities (44,125) (42,369)
Non-derivative instruments    
Financial risk management and financial instruments    
Financial liabilities - carrying value (145,915) (155,429)
Contractual cash flows, non-derivative liabilities (190,547) (201,743)
Non-derivative instruments | Within one year    
Financial risk management and financial instruments    
Contractual cash flows, non-derivative liabilities (56,325) (46,320)
Non-derivative instruments | One to three years    
Financial risk management and financial instruments    
Contractual cash flows, non-derivative liabilities (50,600) (46,408)
Non-derivative instruments | Three to five years    
Financial risk management and financial instruments    
Contractual cash flows, non-derivative liabilities (39,497) (66,646)
Non-derivative instruments | More than five years    
Financial risk management and financial instruments    
Contractual cash flows, non-derivative liabilities (44,125) (42,369)
Long-term debt    
Financial risk management and financial instruments    
Financial liabilities - carrying value (92,374) (102,645)
Contractual cash flows, non-derivative liabilities (113,323) (127,539)
Long-term debt | Within one year    
Financial risk management and financial instruments    
Contractual cash flows, non-derivative liabilities (17,424) (7,237)
Long-term debt | One to three years    
Financial risk management and financial instruments    
Contractual cash flows, non-derivative liabilities (45,009) (40,933)
Long-term debt | Three to five years    
Financial risk management and financial instruments    
Contractual cash flows, non-derivative liabilities (35,280) (62,285)
Long-term debt | More than five years    
Financial risk management and financial instruments    
Contractual cash flows, non-derivative liabilities (15,610) (17,084)
Lease liabilities    
Financial risk management and financial instruments    
Financial liabilities - carrying value (17,444) (17,360)
Contractual cash flows, non-derivative liabilities (41,127) (38,780)
Lease liabilities | Within one year    
Financial risk management and financial instruments    
Contractual cash flows, non-derivative liabilities (2,804) (3,659)
Lease liabilities | One to three years    
Financial risk management and financial instruments    
Contractual cash flows, non-derivative liabilities (5,591) (5,475)
Lease liabilities | Three to five years    
Financial risk management and financial instruments    
Contractual cash flows, non-derivative liabilities (4,217) (4,361)
Lease liabilities | More than five years    
Financial risk management and financial instruments    
Contractual cash flows, non-derivative liabilities (28,515) (25,285)
Short-term debt    
Financial risk management and financial instruments    
Financial liabilities - carrying value (1,148) (666)
Contractual cash flows, non-derivative liabilities (1,148) (666)
Short-term debt | Within one year    
Financial risk management and financial instruments    
Contractual cash flows, non-derivative liabilities (1,148) (666)
Trade and other payables    
Financial risk management and financial instruments    
Financial liabilities - carrying value (34,831) (34,757)
Contractual cash flows, non-derivative liabilities (34,831) (34,757)
Trade and other payables | Within one year    
Financial risk management and financial instruments    
Contractual cash flows, non-derivative liabilities (34,831) (34,757)
Bank overdraft    
Financial risk management and financial instruments    
Financial liabilities - carrying value (118) (1)
Contractual cash flows, non-derivative liabilities (118) (1)
Bank overdraft | Within one year    
Financial risk management and financial instruments    
Contractual cash flows, non-derivative liabilities (118) (1)
Outflows    
Financial risk management and financial instruments    
Financial liabilities - carrying value (151) (15)
Contractual cash flows, derivative liabilities (13,244) (3,357)
Outflows | Within one year    
Financial risk management and financial instruments    
Contractual cash flows, derivative liabilities (13,244) (3,357)
Inflows    
Financial risk management and financial instruments    
Contractual cash flows, derivative liabilities 13,093 3,342
Inflows | Within one year    
Financial risk management and financial instruments    
Contractual cash flows, derivative liabilities 13,093 3,342
Other commodity derivatives    
Financial risk management and financial instruments    
Financial liabilities - carrying value (6) (37)
Contractual cash flows, derivative liabilities (6) (39)
Other commodity derivatives | Within one year    
Financial risk management and financial instruments    
Contractual cash flows, derivative liabilities (6) (39)
Put with a call spread option - Brent crude oil    
Financial risk management and financial instruments    
Financial liabilities - carrying value (83)  
Contractual cash flows, derivative liabilities (83)  
Put with a call spread option - Brent crude oil | Within one year    
Financial risk management and financial instruments    
Contractual cash flows, derivative liabilities (83)  
Convertible bond embedded derivative    
Financial risk management and financial instruments    
Financial liabilities - carrying value (309)  
Contractual cash flows, derivative liabilities (309)  
Convertible bond embedded derivative | Within one year    
Financial risk management and financial instruments    
Contractual cash flows, derivative liabilities (309)  
Oxygen supply contract embedded derivative liability    
Financial risk management and financial instruments    
Financial liabilities - carrying value   (14)
Contractual cash flows, derivative liabilities   15
Oxygen supply contract embedded derivative liability | Within one year    
Financial risk management and financial instruments    
Contractual cash flows, derivative liabilities   15
Non-derivative instruments    
Financial risk management and financial instruments    
Financial assets - carrying value 87,875 82,294
Contractual cash flows, financial assets 88,682 82,484
Non-derivative instruments | Within one year    
Financial risk management and financial instruments    
Contractual cash flows, financial assets 85,790 79,452
Non-derivative instruments | One to three years    
Financial risk management and financial instruments    
Contractual cash flows, financial assets 1,052 1,228
Non-derivative instruments | Three to five years    
Financial risk management and financial instruments    
Contractual cash flows, financial assets 182 246
Non-derivative instruments | More than five years    
Financial risk management and financial instruments    
Contractual cash flows, financial assets 1,658 1,558
Long-term receivables    
Financial risk management and financial instruments    
Financial assets - carrying value 2,768 2,884
Contractual cash flows, financial assets 3,575 3,074
Long-term receivables | Within one year    
Financial risk management and financial instruments    
Contractual cash flows, financial assets 683 42
Long-term receivables | One to three years    
Financial risk management and financial instruments    
Contractual cash flows, financial assets 1,052 1,228
Long-term receivables | Three to five years    
Financial risk management and financial instruments    
Contractual cash flows, financial assets 182 246
Long-term receivables | More than five years    
Financial risk management and financial instruments    
Contractual cash flows, financial assets 1,658 1,558
Trade and other receivables    
Financial risk management and financial instruments    
Financial assets - carrying value 37,963 35,180
Contractual cash flows, financial assets 37,963 35,180
Trade and other receivables | Within one year    
Financial risk management and financial instruments    
Contractual cash flows, financial assets 37,963 35,180
Cash and cash equivalents    
Financial risk management and financial instruments    
Financial assets - carrying value 43,304 41,050
Contractual cash flows, financial assets 43,304 41,050
Cash and cash equivalents | Within one year    
Financial risk management and financial instruments    
Contractual cash flows, financial assets 43,304 41,050
Investments | Financial assets at fair value through other comprehensive income    
Financial risk management and financial instruments    
Financial assets - carrying value 8 8
Contractual cash flows, financial assets 8 8
Investments | Financial assets at fair value through other comprehensive income | Within one year    
Financial risk management and financial instruments    
Contractual cash flows, financial assets 8 8
Investments | Financial assets at fair value through profit or loss    
Financial risk management and financial instruments    
Financial assets - carrying value 3,832 3,172
Contractual cash flows, financial assets 3,832 3,172
Investments | Financial assets at fair value through profit or loss | Within one year    
Financial risk management and financial instruments    
Contractual cash flows, financial assets 3,832 3,172
Inflows    
Financial risk management and financial instruments    
Financial assets - carrying value 188 696
Contractual cash flows, financial assets 14,955 19,082
Inflows | Within one year    
Financial risk management and financial instruments    
Contractual cash flows, financial assets 14,955 19,082
Outflows    
Financial risk management and financial instruments    
Contractual cash flows, financial assets (14,767) (18,386)
Outflows | Within one year    
Financial risk management and financial instruments    
Contractual cash flows, financial assets (14,767) (18,386)
Crude oil futures    
Financial risk management and financial instruments    
Financial assets - carrying value 1,140  
Contractual cash flows, financial assets 7,726  
Crude oil futures | Within one year    
Financial risk management and financial instruments    
Contractual cash flows, financial assets 7,726  
Crude oil put options    
Financial risk management and financial instruments    
Financial assets - carrying value   1,055
Contractual cash flows, financial assets   1,055
Crude oil put options | Within one year    
Financial risk management and financial instruments    
Contractual cash flows, financial assets   1,055
Foreign exchange zero cost collars    
Financial risk management and financial instruments    
Financial assets - carrying value 441 609
Contractual cash flows, financial assets 441 609
Foreign exchange zero cost collars | Within one year    
Financial risk management and financial instruments    
Contractual cash flows, financial assets 441 609
Put options - Rand/US$ currency    
Financial risk management and financial instruments    
Financial assets - carrying value 50  
Contractual cash flows, financial assets 50  
Put options - Rand/US$ currency | Within one year    
Financial risk management and financial instruments    
Contractual cash flows, financial assets 50  
Put spread options - Brent crude oil    
Financial risk management and financial instruments    
Financial assets - carrying value 397  
Contractual cash flows, financial assets 397  
Put spread options - Brent crude oil | Within one year    
Financial risk management and financial instruments    
Contractual cash flows, financial assets 397  
Other commodity derivatives    
Financial risk management and financial instruments    
Financial assets - carrying value 14  
Contractual cash flows, financial assets 14  
Other commodity derivatives | Within one year    
Financial risk management and financial instruments    
Contractual cash flows, financial assets 14  
Oxygen supply contract embedded derivative    
Financial risk management and financial instruments    
Financial assets - carrying value 3,022 863
Contractual cash flows, financial assets 6,620 (215)
Oxygen supply contract embedded derivative | Within one year    
Financial risk management and financial instruments    
Contractual cash flows, financial assets 158 89
Oxygen supply contract embedded derivative | One to three years    
Financial risk management and financial instruments    
Contractual cash flows, financial assets 406 201
Oxygen supply contract embedded derivative | Three to five years    
Financial risk management and financial instruments    
Contractual cash flows, financial assets 550 292
Oxygen supply contract embedded derivative | More than five years    
Financial risk management and financial instruments    
Contractual cash flows, financial assets R 5,506 R (797)