Pension and Other Postretirement Benefits (Tables)

6 Months Ended

Jun. 30, 2020

HSBC North America Pension Plan [Member]

Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]

Components of Net Periodic Benefit Cost

	Three Months Ended June 30,						Six Months Ended June 30,
	2020			2019			2020			2019
	(in millions)
Interest cost on projected benefit obligation	$	12		$	14		$	24		$	29
Expected return on plan assets	(20		)	(19		)	(39		)	(37		)
Amortization of net actuarial loss	2			5			4			12
Administrative costs	1			1			2			2
Pension (income) expense	$	(5	)	$	1		$	(9	)	$	6

Postretirement Plans Other Than Pensions [Member]

Defined Benefit Plans and Other Postretirement Benefit Plans [Line Items]

Components of Net Periodic Benefit Cost

The following table reflects the components of the net periodic postretirement benefit cost:

	Three Months Ended June 30,						Six Months Ended June 30,
	2020			2019			2020			2019
	(in millions)
Interest cost on accumulated benefit obligation	$	1		$	1		$	1		$	1
Amortization of net actuarial gain	(1		)	(1		)	(1		)	(1		)
Net periodic postretirement benefit cost	$	—		$	—		$	—		$	—