Revenue Contract Balances (Details) - USD ($) $ in Millions		12 Months Ended
		Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Contract with Customer, Contract Asset, Contract Liability, and Receivable [Abstract]
Accounts and notes receivable - trade	[1]	$ 5,034	$ 4,615
Contract assets - current	[2]	34	30
Contract assets - noncurrent	[3]	83	74
Deferred Revenue, Current		3,579	3,287
Deferred Revenue. Noncurrent	[4]	125	114
Disaggregation of Revenue [Line Items]
Deferred Revenue Recognized During the Period		$ 3,247	$ 3,359	$ 3,342

[1] Included in accounts and notes receivable - net in the Consolidated Balance Sheets.

[2] Included in other current assets in the Consolidated Balance Sheets.

[3] Included in other assets in the Consolidated Balance Sheets.

[4] Included in other noncurrent obligations in the Consolidated Balance Sheets.