Note 4. Earnings (Loss) Per Share Basic and diluted earnings (loss) per share is as follows (in millions, except per share data): | | | | | | | | | | | | | Quarter Ended March 31, | | | 2024 | | 2023 | | Net Income (Loss) attributable to Royal Caribbean Cruises Ltd. for basic earnings (loss) per share | $ | 360 | | | $ | (48) | | | Add convertible notes interest | 19 | | | — | | | Net Income (Loss) attributable to Royal Caribbean Cruises Ltd. for diluted earnings (loss) per share | 379 | | | (48) | | | Weighted-average common shares outstanding | 257 | | | 255 | | | Dilutive effect of stock-based awards | 1 | | | — | | | Dilutive effect of convertible notes | 23 | | | — | | | Diluted weighted-average shares outstanding | 281 | | | 255 | | | Basic earnings (loss) per share | $ | 1.40 | | | $ | (0.19) | | | Diluted earnings (loss) per share | $ | 1.35 | | | $ | (0.19) | |
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