Financial Instruments and Risk Concentration (Details)	12 Months Ended
	Dec. 31, 2021	Mar. 31, 2021	Dec. 31, 2020	Jan. 31, 2017
Customer Concentration Risk | Accounts Receivable | Saudi Arabia.
Percentage	36.00%
Customer Concentration Risk | Accounts Receivable | Mexico
Percentage	11.00%
4.625% senior notes due September 2021
Debt Instrument, Interest Rate, Stated Percentage	4.625%		4.625%
5.50% senior notes due January 2023
Debt Instrument, Interest Rate, Stated Percentage	5.50%		5.50%
5.10% senior notes due September 2023
Debt Instrument, Interest Rate, Stated Percentage	5.10%		5.10%
5.75% senior notes due February 2025
Debt Instrument, Interest Rate, Stated Percentage	5.75%
0.75% senior exchangeable notes due January 2024
Debt Instrument, Interest Rate, Stated Percentage	0.75%			0.75%
7.25% senior guaranteed notes due January 2026
Debt Instrument, Interest Rate, Stated Percentage	7.25%		7.25%
7.50% senior guaranteed notes due January 2028
Debt Instrument, Interest Rate, Stated Percentage	7.50%		7.50%
6.50% senior priority guaranteed notes due February 2025
Debt Instrument, Interest Rate, Stated Percentage	6.50%	6.50%
9.00% senior priority guaranteed notes due February 2025
Debt Instrument, Interest Rate, Stated Percentage	9.00%	9.00%