Hedges and Derivative Financial Instruments - Schedule of Net Investment Hedging (Details) $ in Millions, $ in Millions	Jun. 30, 2021 USD ($)	Jun. 30, 2021 MXN ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2020 MXN ($)
Foreign exchange forwards/options | Net investment hedges - foreign currency
Derivative [Line Items]
Notional Amount	$ 362	$ 7,200	$ 362	$ 7,200