Supplemental Cash Flow Information - Schedule of Cash Flows Related to Income Taxes, Interest, Leases, Capital Expenditures, and Deferred Financing Costs Included in Accounts Payable, and Non-Cash Dividends (Details) - USD ($) $ in Millions	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021
Supplemental disclosures:
Cash paid for interest	$ 30	$ 29
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows from operating leases	4	4
Operating cash flows from finance leases	1	1
Financing cash flows from finance leases	1	1
Non-cash investing and financing activities:
Change in capital expenditures included in accounts payable	24	34
Change in turnaround expenditures included in accounts payable	$ 49	$ 0

Supplemental Cash Flow Information - Schedule of Cash Flows Related to Income Taxes, Interest, Leases, Capital Expenditures, and Deferred Financing Costs Included in Accounts Payable, and Non-Cash Dividends (Details) - USD ($)
$ in Millions

3 Months Ended

Mar. 31, 2022

Mar. 31, 2021

Supplemental disclosures:

Cash paid for interest

$ 30

$ 29

Cash paid for amounts included in the measurement of lease liabilities:

Operating cash flows from operating leases

Operating cash flows from finance leases

Financing cash flows from finance leases

Non-cash investing and financing activities:

Change in capital expenditures included in accounts payable

Change in turnaround expenditures included in accounts payable

$ 49

$ 0