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Intangible Assets - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Amortization expense	$ 163	$ 159	$ 165
Annual amortization expense:
2024	152
2025	148
2026	139
2027	136
2028	136
Customer relationships \| Helvetia Packaging AG
Finite-Lived Intangible Assets [Line Items]
Finite-lived intangibles acquired	$ 19