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Investments - Narrative (Details) € / shares in Units, shares in Millions, $ in Millions |  |  |  | 3 Months Ended | 6 Months Ended |  |  |  |  |  |  |  |
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Jun. 08, 2023 USD ($) shares | Apr. 03, 2023 shares | Mar. 02, 2023 shares | Jun. 30, 2024 USD ($) director | Jun. 30, 2023 USD ($) | Jun. 30, 2023 EUR (€) | Mar. 31, 2023 USD ($) | Jun. 30, 2024 USD ($) director shares | Jun. 30, 2024 EUR (€) shares | Dec. 31, 2023 USD ($) shares | Jun. 30, 2023 USD ($) | Mar. 28, 2024 € / shares | Sep. 29, 2023 € / shares | Jun. 07, 2023 | Apr. 02, 2023 | Mar. 30, 2023 shares | Mar. 01, 2023 | Dec. 31, 2021 EUR (€) € / shares | Sep. 20, 2021 EUR (€)
Schedule of Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on sale of equity method investment |  |  |  |  |  |  |  | $ (665) | € (612,000,000) |  |  |  |  |  |  |  |  |  |
Marketable securities |  |  |  | $ 0 | $ 705 |  |  | 0 |  | $ 0 | $ 705 |  |  |  |  |  |  |  |
Equity method investments |  |  |  | 2,451 |  |  |  | 2,451 |  | $ 3,242 |  |  |  |  |  |  |  |  |
Equity earnings |  |  |  | 48 | 71 |  |  | 79 |  |  | 106 |  |  |  |  |  |  |  |
Cash dividends received from equity method investments |  |  |  | 2 | 0 |  |  | $ 82 |  |  | 102 |  |  |  |  |  |  |  |
Other than temporary impairment |  |  |  | $ 0 | 0 |  |  |  |  |  | 0 |  |  |  |  |  |  |  |
Exchangeable bonds issued |  |  |  |  | 0 |  |  |  |  |  | $ 0 |  |  |  |  |  |  |  |
0.000% Notes Due September 2024 | Exchangeable Notes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Share price (in EUR per share) | € / shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | € 35.40 |
Exchangeable bonds issued | € |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | € 300,000,000 | € 300,000,000
Debt convertible into equity interest, shares issuable (in shares) | shares |  |  |  |  |  |  |  | 8.5 | 8.5 |  |  |  |  |  |  |  |  |  |
Debt convertible into equity interest, percentage |  |  |  |  |  |  |  | 10.00% | 10.00% |  |  |  |  |  |  |  |  |  |
KDP |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity securities investment, significant influence over investee, threshold ownership percentage |  |  |  |  |  |  | 5.00% |  |  |  |  |  |  |  |  |  |  |  |
Number of shares sold (in shares) | shares | 23.0 |  | 30.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity investment, decrease in ownership percentage | 1.60% |  | 2.10% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity securities, measured at fair value, ownership percentage | 1.60% |  | 3.20% |  |  |  |  |  |  |  |  |  |  | 3.20% |  |  | 5.30% |  |
Cash proceeds | $ 708 |  |  |  |  |  | $ 1,000 |  |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on sale of equity method investment |  |  |  |  |  |  | 493 |  |  |  |  |  |  |  |  |  |  |  |
Gain on sale of equity method investment, after-tax |  |  |  |  |  |  | $ 368 |  |  |  |  |  |  |  |  |  |  |  |
JDEP |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares sold (in shares) | shares |  | 7.7 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity investment, decrease in ownership percentage |  | 1.60% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity securities, measured at fair value, ownership percentage |  | 18.10% |  |  |  |  |  |  |  |  |  |  |  |  | 19.70% |  |  |  |
Cash proceeds |  |  |  |  | 217 | € 198,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on sale of equity method investment |  |  |  |  | $ (19) | € (18,000,000) |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investment, ownership percentage |  |  |  | 17.70% |  |  |  | 17.70% |  |  |  |  |  |  |  |  |  |  |
Number of directors | director |  |  |  | 2 |  |  |  | 2 |  |  |  |  |  |  |  |  |  |  |
Fair value of equity method investment |  |  |  | $ 1,700 |  |  |  | $ 1,700 |  |  |  |  |  |  |  |  |  |  |
Share price (in EUR per share) | € / shares |  |  |  |  |  |  |  |  |  |  |  | € 19.46 |  |  |  |  |  |  |
JDEP | Equity method investment contracts |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shares sold (in shares) | shares |  |  |  |  |  |  |  |  |  | 2.2 |  |  |  |  |  |  |  |  |
Equivalent shares for issued options (in shares) | shares |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7.7 |  |  |
JDEP | Minimum | Equity method investment contracts |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Option strike price (in euros per share) | € / shares |  |  |  |  |  |  |  |  |  |  |  |  | € 26.10 |  |  |  |  |  |
JDEP | Maximum | Equity method investment contracts |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Option strike price (in euros per share) | € / shares |  |  |  |  |  |  |  |  |  |  |  |  | € 28.71 |  |  |  |  |  |
Dong Suh Foods Corporation |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investment, ownership percentage |  |  |  | 50.00% |  |  |  | 50.00% |  |  |  |  |  |  |  |  |  |  |
Dong Suh Oil & Fats Co. Ltd. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Schedule of Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Equity method investment, ownership percentage |  |  |  | 49.00% |  |  |  | 49.00% |  |  |  |  |  |  |  |  |  |  |

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