Debt (Schedule of China Credit Facilities) (Details) - China Revolving Credit Facilities ¥ in Millions, $ in Millions	Dec. 31, 2025 USD ($)	Dec. 31, 2025 CNY (¥)
Debt Instrument [Line Items]
Revolving credit facilities(2)	$ 614	¥ 4,294
CSIT Revolving Credit Agreement
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity		¥ 550
Interest Rate	2.70%	2.70%
Revolving credit facilities(2)	$ 43	¥ 300
CNCC Working Capital Loan Agreement Due December 25, 2026 [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity		¥ 800
Interest Rate	2.34%	2.34%
Revolving credit facilities(2)	$ 114	¥ 800
CNCC Working Capital Loan Agreement Due June 17, 2027 [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity		¥ 200
Interest Rate	2.34%	2.34%
Revolving credit facilities(2)	$ 25	¥ 170
CNCC Working Capital Loan Agreement Due June 28, 2027 [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity		¥ 800
Interest Rate	2.34%	2.34%
Revolving credit facilities(2)	$ 97	¥ 680
CNCC Working Capital Loan Agreement Due December 21, 2027 [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity		¥ 500
Interest Rate	2.44%	2.44%
Revolving credit facilities(2)	$ 64	¥ 450
CNCC Working Capital Loan Agreement Due March 6, 2028 [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity		¥ 750
Interest Rate	2.34%	2.34%
Revolving credit facilities(2)	$ 103	¥ 722
CNCC Working Capital Loan Agreement Due June 9, 2028 [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity		¥ 1,000
Interest Rate	2.35%	2.35%
Revolving credit facilities(2)	$ 125	¥ 872
CNCC Working Capital Loan Agreement Due July 3, 2028 [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity		¥ 300
Interest Rate	2.34%	2.34%
Revolving credit facilities(2)	$ 43	¥ 300