Employee Retirement Plans (Tables)

9 Months Ended

Sep. 30, 2020

Retirement Benefits [Abstract]

Schedule of net periodic pension cost for the Company's defined-benefit pension plans

Net periodic pension cost for our defined-benefit pension plans, with the exception of service cost, is recorded in other income (expense), net, in our condensed consolidated statement of operations. Net periodic pension cost for our defined-benefit pension plans was as follows, in millions: 

	Three Months Ended September 30,
	2020				2019
	Qualified		Non-Qualified		Qualified		Non-Qualified
Service cost	$	1	$	—	$	1	$	—
Interest cost	5		2		11		2
Expected return on plan assets	(6)		—		(12)		—
Amortization of net loss	7		—		4		1
Net periodic pension cost	$	7	$	2	$	4	$	3

	Nine Months Ended September 30,
	2020				2019
	Qualified		Non-Qualified		Qualified		Non-Qualified
Service cost	$	2	$	—	$	2	$	—
Interest cost	18		4		30		5
Expected return on plan assets	(17)		—		(34)		—
Amortization of net loss	18		2		14		2
Net periodic pension cost	$	21	$	6	$	12	$	7