| $ in millions | Derivative Assets | Derivative Liabilities | |||||||||||||||||||||||||||||||||||||||
| Mar-24 | Dec-23 | Mar-24 | Dec-23 | ||||||||||||||||||||||||||||||||||||||
| Derivatives not designated as hedging instruments: | Cross-currency interest rate swaps | Prepaid expenses and other current assets | 10 | Prepaid expenses and other current assets | — | Other current liabilities | $ | (49) | Other current liabilities | $ | (52) | ||||||||||||||||||||||||||||||
| Total derivatives not designated as hedging instruments | $ | 10 | $ | — | $ | (49) | $ | (52) | |||||||||||||||||||||||||||||||||
| Total derivatives | $ | 19 | $ | — | $ | (155) | $ | (178) | |||||||||||||||||||||||||||||||||
| $ in millions | Derivative Assets | Derivative Liabilities | ||||||||||||||||||||||||||||||||||||||||||
| Mar-24 | Dec-23 | Mar-24 | Dec-23 | |||||||||||||||||||||||||||||||||||||||||
| Balance sheet location | Fair value | Balance sheet location | Fair value | Balance sheet location | Fair value | Balance sheet location | Fair value | |||||||||||||||||||||||||||||||||||||
| Derivatives designated as cash flow hedges: | Cross-currency interest rate swaps | Prepaid expenses and other current assets | $ | — | Prepaid expenses and other current assets | $ | — | Other current liabilities | $ | (96) | Other current liabilities | $ | (104) | |||||||||||||||||||||||||||||||
| Cross-currency interest rate swaps | Other non-current assets | — | Other non-current assets | — | Other non-current liabilities | (10) | Other non-current liabilities | (21) | ||||||||||||||||||||||||||||||||||||
| Interest rate swaps | Other non-current assets | 5 | Other non-current assets | — | Other non-current liabilities | — | Other non-current liabilities | — | ||||||||||||||||||||||||||||||||||||
| Total derivatives designated as cash flow hedges | $ | 5 | $ | — | $ | (106) | $ | (125) | ||||||||||||||||||||||||||||||||||||
| Derivatives designated as net investment hedges: | Cross-currency interest swaps | Other non-current assets | 4 | Other non-current assets | $ | — | Other non-current liabilities | $ | — | Other non-current liabilities | $ | (1) | ||||||||||||||||||||||||||||||||
| Total derivatives designated as hedging instrument | 4 | $ | — | $ | — | $ | (1) | |||||||||||||||||||||||||||||||||||||
| ($ in millions) | Derivative Assets | Derivative Liabilities | ||||||||||||||||||||||||||||||
| Dec-23 | Dec-22 | Dec-23 | Dec-22 | |||||||||||||||||||||||||||||
| Balance sheet location | Fair value | Balance sheet location | Fair value | Balance sheet location | Fair value | Balance sheet location | Fair value | |||||||||||||||||||||||||
| Derivatives designated as cash flow hedges: | ||||||||||||||||||||||||||||||||
| Cross-currency interest rate swaps | Prepaid expenses and other current assets | $ | — | Prepaid expenses and other current assets | $ | 115 | Other current liabilities | $ | (104) | Other current liabilities | $ | — | ||||||||||||||||||||
| Cross-currency interest rate swaps | Other non- current assets | — | Other non- current assets | — | Other non- current liabilities | (21) | Other non- current liabilities | (56) | ||||||||||||||||||||||||
| Interest rate swaps | Other non- current assets | — | Other non- current assets | — | Other non- current liabilities | — | Other non- current liabilities | — | ||||||||||||||||||||||||
| Total derivatives designated as hedging instrument | $ | — | $ | 115 | $ | (125) | $ | (56) | ||||||||||||||||||||||||
| Derivatives designated as net investment hedges: | ||||||||||||||||||||||||||||||||
| Cross-currency interest rate swaps | Other non- current assets | — | Other non- current assets | — | Other non- current liabilities | (1) | Other non- current liabilities | — | ||||||||||||||||||||||||
| Total derivatives designated as hedging instrument | $ | — | $ | — | $ | (1) | $ | — | ||||||||||||||||||||||||
| Derivatives not designated as hedging instruments: | ||||||||||||||||||||||||||||||||
| Cross-currency interest rate swaps | Prepaid expenses and other current assets | — | Prepaid expenses and other current assets | 224 | Other current liabilities | (52) | Other current liabilities | (45) | ||||||||||||||||||||||||
| Cross-currency interest rate swaps | Other non- current assets | — | — | Other non- current liabilities | — | Other non- current liabilities | (33) | |||||||||||||||||||||||||
| Total derivatives not designated as hedging instruments | $ | — | $ | 224 | $ | (52) | $ | (78) | ||||||||||||||||||||||||
| Total derivatives | $ | — | $ | 339 | $ | (178) | $ | (134) | ||||||||||||||||||||||||
