Provisions (Tables)

12 Months Ended

Dec. 31, 2021

Other Provisions, Contingent Liabilities And Contingent Assets [Abstract]

Disclosure of other provisions rollforward

	Restructuring costs	Legal proceedings and regulatory matters	Customer remediation	Other provisions	Total
	$m	$m	$m	$m	$m
Provisions (excluding contractual commitments)
At 1 Jan 2021	671	756	858	305	2,590
Additions	347	249	192	471	1,259
Amounts utilised	(499)	(316)	(548)	(58)	(1,421)
Unused amounts reversed	(170)	(59)	(113)	(124)	(466)
Exchange and other movements	34	(11)	(3)	(36)	(16)
At 31 Dec 2021	383	619	386	558	1,946
Contractual commitments1
At 1 Jan 2021					1,088
Net change in expected credit loss provision and other movements					(468)
At 31 Dec 2021					620
Total provisions
At 31 Dec 2020					3,678
At 31 Dec 2021					2,566

	Restructuring costs	Legal proceedings and regulatory matters	Customer remediation	Other provisions	Total
	$m	$m	$m	$m	$m
Provisions (excluding contractual commitments)
At 1 Jan 2020	356	605	1,646	280	2,887
Additions	698	347	189	222	1,456
Amounts utilised	(322)	(177)	(739)	(125)	(1,363)
Unused amounts reversed	(74)	(75)	(240)	(80)	(469)
Exchange and other movements	13	56	2	8	79
At 31 Dec 2020	671	756	858	305	2,590
Contractual commitments1
At 1 Jan 2020					511
Net change in expected credit loss provision and other movements					577
At 31 Dec 2020					1,088
Total provisions
At 31 Dec 2019					3,398
At 31 Dec 2020					3,678

1    Contractual commitments include the provision for contingent liabilities measured under IFRS 9 ‘Financial Instruments’ in respect of financial guarantees and the expected credit loss provision on off-balance sheet guarantees and commitments.